Patterns of fertility decline in Costa Rica - Stycos, J. Mayone; Frank Seeley, Odile; Avery, Roger C. (Ithaca, New York : International Population Program, Cornell University, 1978)
"Final report-AID Grant #otr-G-1493"
Keywords: FECUNDACION HUMANA -- ASPECTOS SOCIOECONOMICOS -- ESTADISTICAS; COSTA RICA -- POBLACION; CONTROL NATAL -- COSTA RICA