00869nam a2200301 4500 1751366 OSt 20140709162342.0 690908s1969 enkabef b 001 0 eng 75408779 B69-12730 0273406973 DLC DLC DLC LB1051.P58 1969 .P58 371.3 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. 7 cbc orignew u ncip 19 y-gencatlg lcc BOOK 1402 1402 0 0 lcc 0 0 001 001 2014-07-09 006058 LB1051.P58 1969 006058 2014-07-09 00:00:00 1 2014-07-09 BOOK 0 0 lcc 0 0 001 001 2014-07-09 006139 LB1051.P58 1969 006139 2014-07-09 00:00:00 2 2014-07-09 BOOK