Sirvipa Leangpunsakul. (2000) Effects of a dental health education program on oral health care provided to preschool children by their mothers. Mahidol University,:ม.ป.ท.Sirvipa Leangpunsakul. 2000. Effects of a dental health education program on oral health care provided to preschool children by their mothers. ม.ป.ท.:Mahidol University,;Sirvipa Leangpunsakul. Effects of a dental health education program on oral health care provided to preschool children by their mothers. ม.ป.ท.:Mahidol University, 2000. Print.