00421nam a2200157Ia 4500008004100000082001700041100002300058245002800081260003800109300000800147650001400155650002000169653002700189700002200216700002500238170901s1959    xx            000 0 und d  a370.15bP76P  aPressey, Sidney L. 0aPsychology in Education  aDelhibUniversal Book Stallc1959  a658  aEducation  aSocial sciences  aEducational psychology  aHorrocks, John E.  aRobinson, Francis P.