Santoso, B., B. S. K. Ginting, T. W. Widowati, and A. D. Pangawikan. “Content of Functional Compounds of Gaharu Leaves (Aquilaria Malaccensis) Based on Leaf Position on Branches”. Jurnal Ilmu Kehutanan, Vol. 16, no. 1, Feb. 2022, pp. 22-29, doi:10.22146/jik.v16i1.1808.