Marbun, N.W., Iz, F.A., Ramadhan, M., Kogoya, L.J.H., Nugraha, L.F. and Nugraha, U. 2024. Payment and Transaction Risk Management at Coffeeshop X Using NIST 800-30 Framework. JUSTINFO | Jurnal Sistem Informasi dan Teknologi Informasi. 1, 2 (Jun. 2024), 135–146. DOI:https://doi.org/10.33197/justinfo.vol1.iss2.2023.1745.