M. Saputri and M. N. S. . Sari, “E-Marketing Strategy of ‘KuinStuff’”, COSTA, vol. 2, no. 1, pp. 64–71, Apr. 2025, Accessed: Jun. 19, 2026. [Online]. Available: https://www.costa.enterprisepublisher.com/index.php/CST/article/view/19