scirp.org 的前十大競爭對手

researchgate.net

Access 160+ million publication pages and connect with 25+ million researchers. Join for free and gain visibility by uploading your research.

sciencedirect.com

sciencedirect is the world's leading source for scientific, technical, and medical research. explore journals, books and articles.

psycnet.apa.org

apa psycnet home page

link.springer.com

providing access to millions of research articles and chapters from science, technology and medicine, and humanities and social sciences

onlinelibrary.wiley.com

one of the largest and most authoritative collections of online journals, books, and research resources, covering life, health, social, and physical sciences.

semanticscholar.org

Answers to commonly asked questions about Semantic Scholar.

journals.sagepub.com

subscription and open access journals from sage publishing, the world's leading independent academic publisher.

pubmed.ncbi.nlm.nih.gov

Bill & Melinda Gates Foundation.

tandfonline.com

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sciepub.com

science and education publishing is an academic publisher of open access journals. it also publishes academic books and conference proceedings. sciep currently has 100+ open access journals in the areas of earth &environmental sciences, medicine &healthcare, biomedical &life sciences, computer science &communications, chemistry &materials science, engineering, physics &mathematics, business &economics and social sciences &humanities.