Silarak, S. (2018) “Enhance Life Skills, Hygiene and Sanitation of Children with Mental Retardation Special Education Faculty of Education, Rajabhat MahaSarakham University”, Journal for Developing the Social and Community . Bangkok, Thailand, 5(1), pp. 195–206. available at: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/210525 (accessed: 9 December 2025).