Pakpahan HT, Hutapea KP, Simbolon PR. The role of farmer groups in distribution of subsidized fertilizer in Pasar Melintang Village, Deli Serdang. AGRICOLA [Internet]. 2023Sep.30 [cited 2025Dec.19];13(2):101-9. Available from: https://ejournal.unmus.ac.id/index.php/agricola/article/view/5489