TY - BOOK AU - SIANN,GERDA AU - UGWUEGBU DENIS C E TI - EDUCATIONAL PSYCHOLOGY IN A CHANGING WORLD SN - 0-04-370099-3 AV - LB 1051 .S 53 1980 2 PY - 1980///, CY - LONDON, PB - GEORGE ALLEN & UNWIN KW - Child development, Developing countries, Children- Developing countries N1 - INCLUDES BIBLIOGRAPHICAL REFERENCES AND INDEX ER -