Arunya Pisitkasem และผู้แต่งคนอื่นๆ. (2021) The Concept of 21st Century Lecturer Competencies in Higher Educational Institutions in Thailand. Rangsit University:ม.ป.ท.Arunya Pisitkasem และผู้แต่งคนอื่นๆ. 2021. The Concept of 21st Century Lecturer Competencies in Higher Educational Institutions in Thailand. ม.ป.ท.:Rangsit University;Arunya Pisitkasem และผู้แต่งคนอื่นๆ. The Concept of 21st Century Lecturer Competencies in Higher Educational Institutions in Thailand. ม.ป.ท.:Rangsit University, 2021. Print.