Ali, F. Y. (2025) “Pengaruh Penambahan Ampas Kopi Terhadap Uji Organoleptik Cookies Berbahan Dasar Tepung Ubi Jalar Ungu : The Effect of Spent Coffee Grounds Addition on the Organoleptic Test of Cookies Made from Purple Sweet Potato Flour”, Jurnal Ilmiah Pangan Halal, 7(3), pp. 349–359. doi: 10.30997/jiph.v7i3.21306.