Tarigan A, Hanum H. Prilaku Petani Dalam Pemupukan Kentang (Solanum tuberosum. L) Di Kabupaten Karo Sumatera Utara. Petrop [Internet]. 2019Dec.3 [cited 2025Aug.23];6(1):58-61. Available from: https://talenta.usu.ac.id/jpt/article/view/3040