Yordon, Kitti, Piyathida Sihawatthanakun, Sucheera Phongsai, Anusorn Jaithon, and Ampawan yunsan. “Odor-Release Efficiency Measurement and the Development of Odoriferous Perlite Wedding Souvenirs”. Research on Modern science and Utilizing Technological Innovation Journal (RMUTI Journal) 14, no. 3 (October 4, 2021): 77–90. Accessed May 15, 2024. https://ph01.tci-thaijo.org/index.php/rmutijo/article/view/244533.