Tolangara, A., N. Amalia R.L, A. Mas’ud, and S. Sundari. “Spatial Distribution and Population Characteristics of Xylocarpus Sp. In North Halmahera Regency North Maluku”. Jurnal Biologi Tropis, vol. 22, no. 1, Dec. 2021, pp. 98-104, doi:10.29303/jbt.v22i1.3055.