Fatwa, A., M. . Soekardjo, and C. . Kustandi. “Innovation in a Project-Based Learning (PjBL) Model Supported by Digital Flipbooks for the Learning Media Course”. DAS CONFERENCE INTERNATIONAL SERIES, vol. 5, Aug. 2026, pp. 182-91, https://www.das-institute.com/journal/index.php/proceeding/article/view/1531.