Waranuch Pitiphat. (1991) Factors related to dental caries status among 3 years old kindergarten children in Muang district of Khonkaen province. Mahidol University,:ม.ป.ท.Waranuch Pitiphat. 1991. Factors related to dental caries status among 3 years old kindergarten children in Muang district of Khonkaen province. ม.ป.ท.:Mahidol University,;Waranuch Pitiphat. Factors related to dental caries status among 3 years old kindergarten children in Muang district of Khonkaen province. ม.ป.ท.:Mahidol University, 1991. Print.