Siti Markhamah, Sudarmiatin Sudarmiatin and Agus Hermawan (2026) “Systematic Literature Review: The Effectiveness of Using Social Media as a Marketing Channel for MSMEs in Balikpapan”, ePaper Bisnis : International Journal of Entrepreneurship and Management , 2(4), pp. 188–196. doi: 10.61132/epaperbisnis.v2i4.633.