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Interdisciplinary index and full text database covering many academic journals from many fields of study. .
A set of free, online courseware for exploration in science and mathematics. It is comprised of activities, lessons, and discussions.
A clearinghouse of fun and engaging mathematics exercises, puzzles, and other such activities.
Provides diverse, peer-reviewed, open access journals ensuring the latest research is freely available and all content is distributed under a Creative Commons Attribution License (CC BY). Content is available to everyone free of charge.
NCTM is the world's largest mathematics education organization providing guidance and resources for teaching and learning.
High quality open educational resources: articles, activities, free courses, audio video and collections
The world's most comprehensive collection of dissertations and theses..
Provides access to a wide range of popular academic subjects..
Quickly access articles from scholarly journals and other trusted periodicals. Includes Topic Finder, Subject Guide Search, and Publication Search.