Phungbunhan, Chanirat, Karun Phungbunhan, and Thanet Ruangdech. “DRAGON FRUIT PEELS LEATHER MIXED PLUM POWDER PRODUCTS”. Dusit Thani College Journal 15, no. 3 (December 30, 2021): 116–130. Accessed April 19, 2024. https://so01.tci-thaijo.org/index.php/journaldtc/article/view/253856.