Thitiworatumrong, P. (2017) “Relationship between trait and behavioral leaderships and Organizational commitment of the sales staffs: A case study of a big company as the Finance service business (Loan and Credit Card) located”., Human Resource and Organization Development Journal, 9(1), pp. 60–79. available at: https://so01.tci-thaijo.org/index.php/HRODJ/article/view/138401 (accessed: 14 September 2026).