Hasanul Arifin Daulay. Perbedaan Produksi TBS dan Penjualan CPO Sebelum dan Sesudah Pandemi Covid-19. Jamek [Internet]. 2023Jan.31 [cited 2025Sep.30];3(1):21-8. Available from: https://journal.fkpt.org/index.php/JAMEK/article/view/471