296,970 STUDIES Studies to enhance the evaluation of family planning programmes : a project of the Population Division of the Department of International Economic and Social Affairs of the United Nations Secretariat, in collaboration with the former Committee for the Analysis of Family [etc.]. — New York : United Nations [Publ.], 1985. — XIV, 246 s. : wykr.; 28 cm (Population Studies / Department of International Economic and Social Affairs: nr 87)