00814nam a2200289 4500 1399 1399 006138 OSt 20210803142056.0 690908s1969 enkabef b 001 0 eng 75408779 B69-12730 0273406973 AVAILABLE CUCK CUCK CUCK ENG LB1051 .P58 Powell, Leonard Sutherland. Communication and Learning [by] Len S. Powell. London, Pitman, 1969. xii, 219 p. 8 plates, illus., maps, plans. 26 cm. 50/- Plans on lining papers. Includes bibliographies. Learning, Psychology of. Audio-visual education. Communication in education. lcc BOOK 0 0 lcc 0 0 001 001 2014-07-09 1 LB1051 .P58 1969 006138 2017-10-16 00:00:00 2017-10-10 1 2014-07-09 BOOK