Setiawan, Elfa, and Elizabeth Monica Frara. “Strategies to Increase Customer Interest by Implementing Digital Marketing at Hello Friends Coffee Shop in South Jakarta”. Eligible : Journal of Social Sciences 2, no. 1 (February 14, 2023): 166–180. Accessed May 19, 2025. https://eligible-lldikti3.kemdikbud.go.id/index.php/eligible/article/view/70.