Lie, Darwin, Nana Triapnita Nainggolan, Lora Ekana Nainggolan, Heri Pandapotan Silitonga, and Debi Eka Putri. “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, no. 3 (August 31, 2023): 138–143. Accessed January 10, 2026. https://ijcsnet.id/index.php/go/article/view/194.