Zulaekah, Siti, et al. “Sifat Kimia Ubi Jalar Ungu Berdasarkan Lokasi Panen Sebagai Bahan Pangan Fungsional”. Prosiding University Research Colloquium, vol. 20, June 2025, pp. 741-9, https://repository.urecol.org/index.php/proceeding/article/view/3126.