Chayanusasanee Jundon, S. and Jundon, N. (2011) “Development of Role Model Ethical Leaders for the Elderly on Heet-Kong of Isan Culture in Mahasarakham Province”, Interdisciplinary Academic and Research Journal . Maha Sara Kham, TH, 2(6), pp. 269–282. doi: 10.14456/iarj.2022.146.