RICARDO MANARINTAR SIMARMATA. The Effect of Training and Managerial Activities on Employee Performance at PT. Bandung Berkah Alami Factory, West Java. INTERACTION: Jurnal Pendidikan Bahasa, [S. l.], v. 12, n. 1, p. 872–879, 2025. DOI: 10.36232/interactionjournal.v12i1.3150. Disponível em: https://e-journal.unimudasorong.ac.id/index.php/interactionjournal/article/view/3150. Acesso em: 30 jun. 2025.