Nicola Tesla Said
John T. Ratzlaff
Analysis of Ordinal Categorical Data
Alan Agresti
Wiley Series in Probability and Statistics (656)
Summary of 21 Lessons for the 21st Century
Yuval Noah Harari
Sexuelle Gewalt gegen Jungen, Dunkelfelder - Article
J. B. Rossilhol
Oxford Dictionary of English, 2nd Edition
Oxford Dictionaries
Developmental Psychology of Jean Piaget
John Hurley Flavell & Jean Piaget
Vaccination Bible
Lynne McTaggart
Theories of Truth: A Critical Introduction
Richard L. Kirkham