“ANALISA  INOVASI PRODUK MARTABAK MANIS BERBAHAN DASAR TEPUNG UBI UNGU DI KOTA CIREBON”, UTAMA, vol. 3, no. 01, pp. 61–68, Apr. 2025, Accessed: Mar. 27, 2026. [Online]. Available: https://journal.poltekparprima.ac.id/index.php/utama/article/view/59