00396nam a2200133Ia 4500008004100000082001700041100002300058245006700081260004500148300000800193650001400201650002000215653002700235170901s1961    xx            000 0 und d  a370.15bF80E  aFrandsen, Arden N. 0aEducational PsychologybThe Principles of Learning in Teaching  aNew YorkbMcGraw-Hill Book Companyc1961  a610  aEducation  aSocial sciences  aEducational psychology