Yuttakorn Netthaworn. 2009. Factors affecting development of children aged 3-5 years in Muangphrai Primary Care Unit, Selaphum district, Roi-et province, Thailand. College of Public Health Sciences, Chulalongkorn University;
Yuttakorn Netthaworn. (2009) Factors affecting development of children aged 3-5 years in Muangphrai Primary Care Unit, Selaphum district, Roi-et province, Thailand . Chulalongkorn University/Bangkok.
Yuttakorn Netthaworn. Factors affecting development of children aged 3-5 years in Muangphrai Primary Care Unit, Selaphum district, Roi-et province, Thailand. . Bangkok:Chulalongkorn University, 2009.
Yuttakorn Netthaworn. (2009) Factors affecting development of children aged 3-5 years in Muangphrai Primary Care Unit, Selaphum district, Roi-et province, Thailand . Chulalongkorn University/Bangkok.