Central Bureau of Statistics - CBS/Indonesia, State Ministry of Population/National Family Planning Coordinating Board - NFPCB/Indonesia, and Institute for Resource Development/Westinghouse. 1989. National Indonesia Contraceptive Prevalence Survey 1987. Calverton, Maryland, USA: CBS and Institute for Resource Development/Westinghouse. Available at http://dhsprogram.com/pubs/pdf/FR19/FR19.pdf.