Bustomi MY, Nursida, Pratama RA, Putra PRS, Sardianti AL. The Role of Extension Workers in Pepper Farming (Piper Nigrum) in Batu Timbau Village, Batu Ampar Sub-District, East Kutai District. Poltanesa [Internet]. 2023 Jun. 25 [cited 2024 Sep. 8];24(1):8-15. Available from: https://e-journal.politanisamarinda.ac.id/index.php/tanesa/article/view/2428