M. W. Nusantara Aji, I. Listiqowati, W. Widyastuti, H. Hasan, and Z. Zeffitni, “The Effectiveness of Conventional and Digitally Modified Problem-Based Learning (PBL) on Students’ Understanding of Disaster Mitigation Concepts”, AJPGMI, vol. 9, no. 3, pp. 576–586, Nov. 2026.