Oo และ Thazin. (1992) The effect of the Bady Friendly Hospital initiative on breast-feeding in Thailand. Mahidol University,:ม.ป.ท.Oo และ Thazin. 1992. The effect of the Bady Friendly Hospital initiative on breast-feeding in Thailand. ม.ป.ท.:Mahidol University,;Oo และ Thazin. The effect of the Bady Friendly Hospital initiative on breast-feeding in Thailand. ม.ป.ท.:Mahidol University, 1992. Print.