January 17, 2020

Indexing and Links

Petrotex publication group provides a wide range of  indexing for published articles in this scientific group:

DOAJ index
DOAJ – Directory of Open Access Journals is a  Categorized, searchable links to free, full text, quality controlled scientific and scholarly journals hat meet high quality standards by exercising peer review or editorial quality control. The aim of the Directory of Open Access Journals is to increase the visibility and ease of use of open access scientific and scholarly journals thereby promoting their increased usage and impact.

Google Scholar Provides a search of scholarly literature across many disciplines and sources, including theses, books, abstracts and articles. Publish or Perish uses google scholar to find articles, citations, calculate several indexes etc.

index petrotex
EBSCOhost databases and discovery technologies are the most-used, premium online information resources for tens of thousands of institutions worldwide, representing millions of end-users.

journalseek index

Genamics JournalSeek is the largest completely categorized database of freely available journal information available on the internet.

jgate index
Open J-Gate is an index directory dedicated to the promotion of the Open Access movement for scholarly journals.

CrossRef is an independent membership association, founded and directed by publishers. CrossRef’s mandate is to connect users to primary research content, by enabling publishers to work collectively. CrossRef is also the official DOI® link registration agency for scholarly and professional publications. Our citation-linking network today covers tens of millions of articles and other content items from thousands of scholarly and professional publishers.

Index Copernicus (IC) is an online database including scientist profiles, institutions, publications and projects established in 1999 in Poland. The database has several productivity assessment tools which allow tracking the impact of scientific works and publications, individual scientists, or research institutions. In addition to the productivity aspects, the Index Copernicus also offers the traditional abstracting and indexing of scientific publications.

Base index
BASE is one of the world’s most voluminous search engines especially for academic open access web resources. BASE is operated by Bielefeld University Library.

index petrotex worldcat

WorldCat is the world’s largest network of library content and services. WorldCat libraries are dedicated to providing access to their resources on the Web, where most people start their search for information.


Journal Tocs is for anyone who’s looking for the latest or most current papers published in the scholarly literature with international coverage. Academics, librarians, students, researchers, and anyone else should find it useful.

Academic Journals Database
Academic Journals Database is a universal index of periodical literature covering basic research from all fields of knowledge. Academic Journals Database contains complete bibliographic citations, precise indexing, and informative abstracts for papers from a wide range of periodicals. Academic Journals Database indexes about 3000 internationally respected journals.

Science Gate
The aim of Sciencegate is to make scientific literature from the open access segment available free of charge on the internet. n order to achieve this goal, scientific data from over 1,400 universities and open access journals are collected, categorised and refined in the Sciencegate internal database, which currently contains over 26 million data records relating to scientific articles.

new-jour-logo INDEX
New Jour: A directory focused on new journals and newsletters available on the internet.

Scirus is a scientific research tool with over 410 million scientific items indexed. Sicrus allows researchers to search for not only journal content but also scientists’ homepages, courseware, pre-print server material, patents and institutional repository and website information.

linkedin index

Linkedin is the world’s largest professional network with over 120 million members.

SherpaRomeo index
SHERPA/ROMEO is a listing service primarily for the use of the academic research community. It refers to journals and describes their basic policies. SHERPA/ROMEO provides a searchable database of publishers’ copyright and selfarchiving policies for pre-prints and post-prints.

median index
MedOANet addresses the necessity for coordinated strategies and policies in Open Access to scientific information in Europe. The project will enhance existing policies, strategies and structures for Open Access and will contribute towards the implementation of new ones in six Mediterranean countries: Greece, Turkey, Italy, France, Spain, Portugal.

eye index
International Society of Universal Research in Sciences (EyeSource) is a scientific body aiming to promote research about facts and dynamics in real world. EyeSource is a non-profit, non-governmental organization with the purpose to provide an electronic platform to academics/researchers to publish their work.

researchgate index
ResearchGate is the professional network for scientists and researchers. ResearchGate was built for scientists, by scientists, with the idea that science can do more when it’s driven by collaboration.

cas index
CAS (Chemical Abstract Service), a division of the American Chemical Society, is the world’s authority for chemical information. CAS is the only organization in the world whose objective is to find, collect and organize all publicly disclosed chemical substance information.

nelson education
Nelson Education Ltd. is Canada’s leading educational publisher providing innovative products and solutions for learners of all ages. Nelson values and respects the life long learning continuum and dedicates its business efforts to the diverse learning needs of students and educators alike.

ulrichsweb index
The Ulrich’s knowledgebase is the source of Magazines for Libraries™, which has been reviewing the best publications for all types of serials collections – general reader and school, college, university, and public libraries – since 1969. Explore the Magazines for Libraries Update, available exclusively through Serials Solutions, for a sample of current and archived reviews written for librarians by the Magazines for Libraries subject specialists.

CABI index
CAB Direct is CABI’s electronic platform delivering access to over 9 million abstracts across the applied life sciences. Coverage includes our leading bibliographic databases CAB Abstracts and Global Health, and databases from our Internet Resources and Abstract Journals.

index summon

The Summon® service provides a digital front door to library resources. The only discovery service built to purpose, the Summon service provides a complete and compelling discovery experience expressly designed to meet the needs and expectations of today’s users.( in process)

OCLC is a worldwide library cooperative, providing services and research to improve access to the world’s information.

SCImago (in process)


International Impact Factor Services (IIFS) was founded by renowned scientists. A group of 70 scientist from various countries in different disciplines are started IIFS with specific objective of providing quality information to the researcher. IIFS offering academic database services to researcher. Its mainly: citation indexing, analysis, and maintains citation databases covering thousands of academic journals, books, proceedings and any approved documents .

Screen Shot 2014-05-19 at 8.57.10 PM

DRJI provides ready access to education literature to support the use of educational research and information to improve practice in learning, teaching, educational decision-making, and research.



Join Us: https://www.facebook.com/Petrotex.USA

Linkedin: www.linkedin.com/pub/petrotex-publication-group/66/921/375/