Awalludin, Noor Rohin, and Norhani Aripin. “Environmental Management System (EMS) in Hotel Industry: Government Incentives & Customer Demand”. The Asian Journal of Professional & Business Studies 4, no. 1 (June 30, 2023). Accessed October 12, 2025. https://journal.uptm.edu.my/index.php/ajpbs/article/view/67.