Leungtongkum, Pichet, Somdej Piniwatsoontorn, Prapimporn Somnasang, Manop Kanato, Amornrat Ratanasiri, Srinoi Maskasame, Narumon Sinsupan, and Mookda Jitjareuntum. “Study Groups of Mother or Relatives Whose Level of Education Are Higher Than Prathom 4 Which Normally Look After Children Better Than the Similar Groups Who Have Prathom 4 Education or Lower; And Study Different Factors Which Influence the Growth of Pres”. Srinagarind Medical Journal 2, no. 1 (November 11, 2013): 23–30. Accessed April 26, 2024. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13397.