The Influence of Work Motivation on Productivity: The Mediating Role of Work Discipline among Oil Palm Farmers. International Journal of Economic and Tourism Research, [S. l.], v. 2, n. 1, p. 20–28, 2026. DOI: 10.0000/ECOTOUR.v2.i1.a38. Disponível em: https://ejournal.hmedupustaka.or.id/index.php/ECOTOUR/article/view/38. Acesso em: 16 sep. 2026.