Ali, R. M., S. Hadi, W. Purbani, S. Nuriyah Muso Utomo, M. Kunta Biddinika, and D. Hastuti. “Evaluating the Implementation of E-Portfolio-Based Learning in ELT through the CIPP Model: A Qualitative Descriptive Study in Indonesia”. English Language Teaching Educational Journal, vol. 8, no. 3, Dec. 2025, pp. 177-91, doi:10.12928/eltej.v8i3.14853.