Ratchatra Suwannasa และ Sakorn Atthachakara. (2020) Development of Effective Academic Management Practices for Vocational Education Institutes in Kalasin Province. <i>Journal of Humanities and Social Sciences</i>, <i>39</i>(3), .9-19.Ratchatra Suwannasa และ Sakorn Atthachakara. "Development of Effective Academic Management Practices for Vocational Education Institutes in Kalasin Province". Journal of Humanities and Social Sciences 39 (2020):.9-19.Ratchatra Suwannasa และ Sakorn Atthachakara. Development of Effective Academic Management Practices for Vocational Education Institutes in Kalasin Province. mahasarakham university:ม.ป.ท. 2020.