Cliffsnotes 대안 & 경쟁사
CliffsNotes is the original (and most widely imitated) study guide. CliffsNotes study guides are written by real teachers and professors, so no matter what you're studying, CliffsNotes can ease your homework headaches and help you score high on exams. Founded in 1958 by Clifton Keith Hillegass, CliffsNotes is the original company that produced study guides and book summaries ranging from Shakespeare to Algebra and the SAT!
대안 및 경쟁자 cliffsnotes.com 콘텐츠, 트래픽 및 구조 측면에서
SparkNotes are the most helpful study guides around to literature, math, science, and more. Find sample tests, essay help, and translations of Shakespeare.
The cozy home of your favorite free study guides and the most helpful study tools around! Check out our new digs and get the help you need!
GradeSaver offers study guides, application and school paper editing services, literature essays, college application essays and writing help.
From the creators of SparkNotes, something better. Understand more, faster. Free!