Luong และ Ngoc Khue. (2000) Dental health preventive behavior among mothers with children under six years of age in Donka subdistrict, U Thong district Suphanburi province, Thailand. Mahidol University,:ม.ป.ท.Luong และ Ngoc Khue. 2000. Dental health preventive behavior among mothers with children under six years of age in Donka subdistrict, U Thong district Suphanburi province, Thailand. ม.ป.ท.:Mahidol University,;Luong และ Ngoc Khue. Dental health preventive behavior among mothers with children under six years of age in Donka subdistrict, U Thong district Suphanburi province, Thailand. ม.ป.ท.:Mahidol University, 2000. Print.