U- THAIRATANA , P., W. RITTIBOONCHAI, L. INTHAVICHIT, P. PUKLORD, and S. DETCHIT. “Influence of Motivation on Organizational Commitment. Case Study of Ratchaburi Provincial Administrative Organization”. Souphanouvong University Journal Multidisciplinary Research and Development, vol. 7, no. 2, Dec. 2021, pp. 367-74, http://www.su-journal.com/index.php/su/article/view/152.