The Iponan and Krus na Ligas experiments - Abaya, Hernando J. Iponan model; Vicente, Ma. Leila C. Krus na Ligas family planning information campaign; UP/IMC-POPCOM-UNFPA Population Communication Project ([s.l. s.n., 1976)
Keywords: Birth control -- Philippines -- Cagayan de Oro City; Birth control -- Philippines -- Quezon City; Family size