Yuttakorn Netthaworn และผู้แต่งคนอื่นๆ. (2009) Factors affecting development of children aged 3-5 years in Muangphrai Primary Care Unit, Selaphum district, Roi-Et province, Thailand. Chulalongkorn University:ม.ป.ท.Yuttakorn Netthaworn และผู้แต่งคนอื่นๆ. 2009. Factors affecting development of children aged 3-5 years in Muangphrai Primary Care Unit, Selaphum district, Roi-Et province, Thailand. ม.ป.ท.:Chulalongkorn University;Yuttakorn Netthaworn และผู้แต่งคนอื่นๆ. Factors affecting development of children aged 3-5 years in Muangphrai Primary Care Unit, Selaphum district, Roi-Et province, Thailand. ม.ป.ท.:Chulalongkorn University, 2009. Print.