Thanapakorn ketvisetkul. (2021) The Studying Issues of True Leadership. <i>Interdisciplinary Academic and Research Journal</i>, <i>1</i>(1), 50_65.Thanapakorn ketvisetkul. "The Studying Issues of True Leadership". Interdisciplinary Academic and Research Journal 1 (2021):50_65.Thanapakorn ketvisetkul. The Studying Issues of True Leadership. DR.KEN Institute of Academic Development and Promotion:ม.ป.ท. 2021.