ALDRYANSYAH; PURBAKUSUMA, A. I. M. Communication strategy of palm oil farmers In increasing oil palm productivity In the Bual-Bual Village, district of East Kutai . Jurnal Mantik, [S. l.], v. 6, n. 3, p. 3551-3557, 2022. DOI: 10.35335/mantik.v6i3.3246. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/3246. Acesso em: 18 apr. 2026.