Bambang Hengky Rainanto, Abdul Talib Bon, Jan Horas V. Purba. (2020). Environmental Management System (EMS) and Green Marketing Mix (7Ps) for Hotel Sustainable Industrial Performance: A Conceptual Model. International Journal of Advanced Science and Technology, 29(7s), 3724-3732. Retrieved from https://sersc.org/journals/index.php/IJAST/article/view/17697