TY - BOOK ED - United Nations. Economic and Social Commission for Asia and the Pacific TI - Report and selected papers of the regional project on pre-testing and evaluation of educational materials used in family planning programmes U1 - 363.96095 PY - 1974/// CY - Bangkok PB - ESCAP KW - Asia KW - Family planning KW - Family planning-study and teaching KW - Teaching-aids and devices-evaluation ER -