Course Hero collaborates with university educators and subject matter experts to create easy to understand study guides that will take anybody from a beginner to an expert. Each section contains helpful infographics, videos, key vocabulary words, reading recommendations, and study materials uploaded from university students across the nation.
Google scholar is a credible search engine source for students and teachers. Google Scholar allows you to search across a wide range of academic literature. It draws on information from journal publishers, literature-peer-reviwed articles and etc.