S. Sulastri, A. Napirah, and A. Bain, “Profil Fisik dan Kimia Pelepah Daun Kelapa Sawit yang Diamoniasi dengan Level Larutan Urea Molases Berbeda: Physical and Chemical Profiles of Amoniated Palm Leaf Stalks with Different Levels of Urea Molasses Solution”, JIPHO, vol. 7, no. 2, pp. 232–236, Apr. 2025.