“THE SELECTION INDENTIFICATION Salacca sumatrana Becc AGROFORESTRY COMPONENTS IN SIATARATOIT VILLAGE, WEST ANGKOLA DISTRICT, SOUTH TAPANULI REGENCY” (2021) Jurnal Ilmu Ilmu Kehutanan, 5(1), pp. 19–25. doi:10.31258/jiik.5.1.19-25.