“Pengaruh penambahan putih telur terhadap karakteristik marshmallow ubi jalar ungu (Ipomoea batatas L.) ”, RAET, vol. 1, no. 1, hlm. 38–47, Mar 2026, Diakses: Okt 03, 2026. Tersedia pada: https://online-journal.unja.ac.id/raet/article/view/54124