Rosziati Ibrahim, Norfaradilla Wahid, Norhanifah Murli, and Hanayanti Hafit. 2026. System Analysis and Design Using Unified Modeling (UML) and Data Flow Diagram (DFD). Penerbit UTHM. https://publisher.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/537.