Piaget's Construction of the Child's Reality
Susan Sugarman
Qualitative Forschung: Ein Überblick
Thomas Brüsemeister
Piaget, Psychology and Education: Papers in Honour of Jean Piaget
Ved P. Varma & Phillip Williams
Boccaccio's Corpus: Allegory, Ethics, and Vernacularity
James C. Kriesel
Python Data Analysis for Newbies Numpy, Pandas, Matplotlib, ...
Joshua K. Cage
The Limits to Growth: The 30-Year Update
Donella H. Meadows & Jørgen Randers & Dennis L. Meadows