Sembiring, Anita Christine, Delima Sitanggang, and Nina Purnasari Sinuhaji. 2020. “Pemberdayaan Petani Kopi Karo Melalui Pengolahan Pasca Panen”. Jurnal Mitra Prima 2 (1):74-79. https://doi.org/10.34012/mitra_prima.v1i1.833.