Basrin, Fitriani, Asriani Asriani, and Gatot Siswohutomo. “Mutu Organoleptik Tortilla Ubi Jalar Ungu”. Mitra Sains 4, no. 3 (July 30, 2016): 35-39. Accessed March 14, 2025. http://195285.jxltd.asia/index.php/MitraSains/article/view/241.