Suwannaset, Watunyoo. “PROACTIVE ROLES AND RESPONSIBILITIES OF THE HR DEPARTMENTS IN STAFF TRAINING AND DEVELOPMENT IN THE FIRST-RATE LUXURY HOTELS AND RESORTS IN BANGKOK”. RMUTT GLOBAL BUSINESS ACCOUNTING AND FINANCE REVIEW 3, no. 2 (August 31, 2019): 55–71. accessed April 27, 2025. https://so01.tci-thaijo.org/index.php/GBAFR/article/view/252534.