Mendrofa, Soterman Fotendo Kristian, Maria Magdalena Bate’e, Idarni Harefa, and Heniwati Gulo. “Analysis of Digital Marketing Strategy in Increasing Sales at Murai Coffee Gunungsitoli”. Economics and Business Journal (ECBIS) 3, no. 6 (November 26, 2025): 653–662. Accessed December 24, 2025. https://ecbis.net/index.php/go/article/view/252.