Eksita Mariz Ramadhinta, CahyadiEko Ruddy, and SukmawatiAnggraini. “Managerial Competencies Development of Oil Palm Plantation Managers for Industry 4.0 Era”. Jurnal Manajemen & Agribisnis 19, no. 1 (March 31, 2022): 24. Accessed May 5, 2024. https://journal.ipb.ac.id/index.php/jmagr/article/view/36851.