Tuangtip Chantra. (1995) Levels trends determinants and demographic consequences of contraceptive sterilization in Thailand. National Institute of Development Administration,:ม.ป.ท.Tuangtip Chantra. 1995. Levels trends determinants and demographic consequences of contraceptive sterilization in Thailand. ม.ป.ท.:National Institute of Development Administration,;Tuangtip Chantra. Levels trends determinants and demographic consequences of contraceptive sterilization in Thailand. ม.ป.ท.:National Institute of Development Administration, 1995. Print.