Yordon, Kitti, Piyathida Sihawatthanakun, Sucheera Phongsai, Anusorn Jaithon, and Ampawan yunsan. 2021. “Odor-Release Efficiency Measurement and the Development of Odoriferous Perlite Wedding Souvenirs”. Research on Modern Science and Utilizing Technological Innovation Journal (RMUTI Journal) 14 (3):77-90. https://ph01.tci-thaijo.org/index.php/rmutijo/article/view/244533.