Amlu Baihaqqi, Istu, and Ari Muzakir. “Web-Based Cryptocurrency Wallet Portfolio Risk Assessment System Using the Rule-Based Classification Method”. International Journal of Education, Vocational and Social Science 5, no. 04 (September 11, 2026): 918-934. Accessed October 13, 2026. https://www.e-journal.citakonsultindo.or.id/index.php/IJEVSS/article/view/6420.