Harahap HS, Dewi NK, Ningrum EP. Pemanfaatan Digital Marketing Bagi UMKM. j. Loyalitas sos.: j. n.a. Service in Humanities and soc. Sciences [Internet]. 2021 Oct. 15 [cited 2024 Nov. 23];3(2):77-85. Available from: https://openjournal.unpam.ac.id/index.php/JLS/article/view/13248