AHMAD ZUHRYANSYAH; MUHAMMAD NURALI; DELYANA RAHMAWANY PULUNGAN; ANTONIO MARIO SIPAYUNG; PURJIANTO. FACTORS OF PALM OIL HARVESTERS PRODUCTIVITY. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), [S. l.], v. 1, n. 9, p. 559–577, 2022. DOI: 10.54443/ijset.v2i9.388. Disponível em: https://ijset.org/index.php/ijset/article/view/388. Acesso em: 11 sep. 2025.