Kusuma, Alfian Nur, and Anita Fira Waluyo. “Web and Mobile-Based Online Watch Auction Application Using Waterfall Method”. Journal of Scientific Research, Education, and Technology (JSRET) 5, no. 1 (March 16, 2026): 801–819. Accessed August 22, 2026. https://jsret.knpub.com/index.php/jrest/article/view/1061.