“DEVELOPMENT OF A WEB-BASED SECOND-HAND GOODS SALES SYSTEM TO SUPPORT THE DIGITAL ECONOMY”, SINERGY, vol. 1, no. 1, pp. 1080–1088, Feb. 2026, Accessed: Mar. 02, 2026. [Online]. Available: https://conference.unita.ac.id/index.php/proceeding-of-sinergy/article/view/742