Academia 备择方案 & 竞争对手
Academia.edu is a place to share and follow research.
替代品和竞争对手 academia.edu 在内容、流量和结构方面
Explore over 170M documents from a global community. Share information, and find inspiration on Scribd.
Access 130+ million publications and connect with 20+ million researchers. Join for free and gain visibility by uploading your research.
Discover, Share, and Present presentations and infographics with the world’s largest professional content sharing community.
JSTOR is a digital library of academic journals, books, and primary sources.
You may publish any number of documents in PDF, Microsoft Word and PowerPoint format. All files uploaded to the website are automatically adapted for displaying on iPad, iPhone, Android and other platforms.
Instant access to millions of Study Resources, Course Notes, Test Prep, 24/7 Homework Help, Tutors, and more. Learn, teach, and study with Course Hero. Get unstuck.
Springer - Our business is publishing. Throughout the world, we provide scientific and professional communities with superior specialist information;
Search and explore the millions of quality, peer-reviewed journal articles published under the Taylor & Francis and Routledge imprints.
Official website of the National Institutes of Health (NIH). NIH is one of the world's foremost medical research centers. An agency of the U.S. Department of Health and Human Services, the NIH is the Federal focal point for health and medical research. The NIH website offers health information for the public, scientists, researchers, medical professionals, patients, educators,
Welcome to Prezi, the presentation software that uses motion, zoom, and spatial relationships to bring your ideas to life and make you a great presenter.
SAGE is a global academic publisher of books, journals, and a growing suite of library products and services.
Open document sharing platform, share your knowledge and live with others
PDF Drive - Search and download PDF files for free.
Take online courses on Study.com that are fun and engaging. Pass exams to earn real college credit. Research schools and degrees to further your education.
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Découvre des millions de notes de lecture, résumés et guides d'étude issus de milliers de cours et partagés par les étudiants. Pourquoi attendre pour réussir tes examens avec de meilleures notes ?
Elsevier est une entreprise mondiale d'analyse de données qui aide les instituts et les professionnels de santé à faire avancer la science et à améliorer leurs performances.
The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, and educational services by blending award-winning expertise in content, community services, expert commentary, and medical review.
We're committed to being your source for expert health guidance. Come to us in your pursuit of wellness.
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Save up to 90% on textbooks. Read thousands of professional and academic ebooks in one simple space. Start your free trial today.
We help you to explore and research more easy with a our PDFCOOKIE
Join Docsity and access free study contents shared by fellow students from your same university. Study notes, essays, summaries and a lot more!
Reach your academic happy place with access to thousands of textbook solutions written by subject matter experts.
Our team of 1,700+ PhDs and TAs from universities across the US provides step-by-step solutions to your Science, Math and Economics questions.
PDF Drive - Search and download PDF files for free.
Take a photo of your homework question and get answers, math solvers, explanations, and videos. Works for Math, Science, History, English, and more.
Lumen Learning offers affordable digital courseware & professional development resources to enhance effective teaching and increase student success. Explore our 50+ college courses today!
Everyday Health inspires and empowers people to live their healthiest lives, every day, through trusted, medically reviewed information and expert health advice from the nation's leading healthcare providers and patient advocates. Learn more about health
Read doctor-produced health and medical information written for you to make informed decisions about your health concerns.
SparkNotes are the most helpful study guides around to literature, math, science, and more. Find sample tests, essay help, and translations of Shakespeare.
Medical news and health news headlines posted throughout the day, every day
Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.
Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.