Widaningrum และ Ambar. (1997) Quality of care in family planning : case study of client's perspectives toward health center of urban slum and rural communities, in Yogyararta, Indonesia. Mahidol University,:ม.ป.ท.Widaningrum และ Ambar. 1997. Quality of care in family planning : case study of client's perspectives toward health center of urban slum and rural communities, in Yogyararta, Indonesia. ม.ป.ท.:Mahidol University,;Widaningrum และ Ambar. Quality of care in family planning : case study of client's perspectives toward health center of urban slum and rural communities, in Yogyararta, Indonesia. ม.ป.ท.:Mahidol University, 1997. Print.