Djoehraeni และ R.H. Siti. (1990) Continuation rate of oral pill use among rural eligible women aged 15-49 in Ayudthaya province. Mahidol University,:ม.ป.ท.Djoehraeni และ R.H. Siti. 1990. Continuation rate of oral pill use among rural eligible women aged 15-49 in Ayudthaya province. ม.ป.ท.:Mahidol University,;Djoehraeni และ R.H. Siti. Continuation rate of oral pill use among rural eligible women aged 15-49 in Ayudthaya province. ม.ป.ท.:Mahidol University, 1990. Print.