SULEHA ANGRAYANA; TUTY NINGSIH. ANALYSIS OF THE CONTRIBUTION OF THE PALM OIL COMMODITY PLANTATION SUB-SECTOR IN THE ECONOMY NORTH LABUHAN BATU REGENCY. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), [S. l.], v. 5, n. 8, p. 4689–4699, 2026. Disponível em: https://ijset.org/index.php/ijset/article/view/2079. Acesso em: 8 jul. 2026.