Kannasoot, Ananyaa. “Packaging Design to Increase the Value for Gold Face Mask Product of Kusuma : OTOP Herbal Product Manufacturer, Bangkok, Thailand”. University of the Thai Chamber of Commerce Journal Humanities and Social Sciences 39, no. 4 (December 25, 2019): 69–88. Accessed May 2, 2024. https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/205736.