ceeol.com 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.

scholar.google.com

google scholar provides a simple way to broadly search for scholarly literature. search across a wide variety of disciplines and sources: articles, theses, books, abstracts and court opinions.

tandfonline.com

search and explore the millions of quality, peer-reviewed journal articles published under the taylor & francis and routledge imprints.

jstor.org

jstor is a digital library of academic journals, books, and primary sources.

sciencedirect.com

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

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.

academia.edu

academia.edu is a place to share and follow research.

journals.sagepub.com

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

link.springer.com

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

proquest.com

proquest powers research in academic, corporate, government, public and school libraries around the world with unique content. explore millions of resources from scholarly journals, books, newspapers, videos and more.