Sippiya Chayanusasanee Jundon และ Nattiya Jundon. (2022) Development of Role Model Ethical Leaders for the Elderly on Heet-Kong of Isan Culture in Mahasarakham Province. <i>Interdisciplinary Academic and Research Journal</i>, <i>2</i>(6), 269-282.Sippiya Chayanusasanee Jundon และ Nattiya Jundon. "Development of Role Model Ethical Leaders for the Elderly on Heet-Kong of Isan Culture in Mahasarakham Province". Interdisciplinary Academic and Research Journal 2 (2022):269-282.Sippiya Chayanusasanee Jundon และ Nattiya Jundon. Development of Role Model Ethical Leaders for the Elderly on Heet-Kong of Isan Culture in Mahasarakham Province. DR.KEN Institute of Academic Development and Promotion.:ม.ป.ท. 2022.