Sembiring AC, Sitanggang D, Sinuhaji NP. Pemberdayaan Petani Kopi Karo melalui Pengolahan Pasca Panen. mitra_prima [Internet]. 2020Feb.7 [cited 2024Nov.23];2(1):74-9. Available from: https://jurnal.unprimdn.ac.id/index.php/mitra_prima/article/view/833