Sembiring, Anita Christine, Delima Sitanggang, and Nina Purnasari Sinuhaji. “Pemberdayaan Petani Kopi Karo Melalui Pengolahan Pasca Panen”. Jurnal Mitra Prima 2, no. 1 (February 7, 2020): 74-79. Accessed November 23, 2024. https://jurnal.unprimdn.ac.id/index.php/mitra_prima/article/view/833.