BR Purba E, Br Sitepu SE, Purba JM, Saragih AF, Munthe RN, Saragih L, Panjaitan PD. Pendampingan Terhadap Pelaku UMKM (Baren Coffe) Khas Simalungun Dalam Meningkatkan Penjualan Melalui E-Commerce. JPkMN [Internet]. 2023Mar.8 [cited 2025Dec.31];4(1):134-9. Available from: http://ejournal.sisfokomtek.org/index.php/jpkm/article/view/760