t08593
Creating and
Testing
Textbooks for
Secondary
Schools
b02067
Allgemeine
Didaktik
t08593->b02067
b00130
Mindstorms
(1982)
t08593->b00130
b03399
Lehrbuch
Informatik
(2008)
t08593->b03399
t14810
Teaching
Programming at
Primary
Schools (2011)
t14810->t08593
t14810->b00130