Ruang-iem, Gawinrat, Orathai Thongnoppakun, and Adithep Kampangseree. 2020. “The Food Waste Management Guidelines for Sustainability from Special Events in Hospitality Industry”. Dusit Thani College Journal 13 (3):546-57. https://so01.tci-thaijo.org/index.php/journaldtc/article/view/241137.