Panjaitan SR, Barus BS, Nainggolan ABD, Perangin-angin D. The Influence of Digital Marketing on Sales Results of Traditional Traders at Horas Market Pematangsiantar. probis [Internet]. 2023 Aug. 17 [cited 2024 Sep. 28];14(4):60-6. Available from: http://ejournal.joninstitute.org/index.php/ProBisnis/article/view/253