H. Hamzah, “Studi Karakteristik Kimia Tanah Pada Berbagai Kelerengan di Lahan Agroforestri Berbasis Gaharu (Aquilaria malaccensis) : Study of Soil Chemical Characteristics at Various Slopes in Agarwood-Based Agroforestry Land (Aquilaria malaccensis)”, Jurnal Silva Tropika, vol. 8, no. 2, pp. 152-161, Dec. 2024.