Sukanya Onggabin. (1997) A study on child care takers performance in Dental Public Health Program related to oral hygiene status of 3-6 year old preschool children at Sating Pra district of Songkhla province. Mahidol University,:ม.ป.ท.Sukanya Onggabin. 1997. A study on child care takers performance in Dental Public Health Program related to oral hygiene status of 3-6 year old preschool children at Sating Pra district of Songkhla province. ม.ป.ท.:Mahidol University,;Sukanya Onggabin. A study on child care takers performance in Dental Public Health Program related to oral hygiene status of 3-6 year old preschool children at Sating Pra district of Songkhla province. ม.ป.ท.:Mahidol University, 1997. Print.