Leungtongkum, P., Piniwatsoontorn, S., Somnasang, P., Kanato, M., Ratanasiri, A., Maskasame, S., Sinsupan, N., & Jitjareuntum, M. (2013). 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(1), 23–30. Retrieved from https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13397