Lie, D. ., Triapnita Nainggolan, N. ., Ekana Nainggolan, L., Pandapotan Silitonga, H. . and Eka Putri, D. . (2023) “Optimizing The Use Of Social Media And The Importance Of Financial Management For Smes/Smes In Pematang Siantar City”, International Journal Of Community Service, 3(3), pp. 138–143. doi: 10.51601/ijcs.v3i3.194.