org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English Scan of the 1916 edition of the study guide: How To Study Effectively...
org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English Scan of the 1916 edition of the study guide: How To Learn Easily...
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Creative Commons Attribution-Share Alike 4.0 truetrue English A table of literature used in a literature review about the optimal text settings and readability...
Creative Commons Attribution 4.0 truetrue English From the study "Perceptions of scientific research literature and strategies for reading papers depend...
English Floyd Dell - Upton Sinclair: A Study in Social Protest determination method or standard: SHA-1...
