Putra, W. P., H. K. Saputra, A. Hadi, and L. Mursyida. “Data Compression Technology for Optimizing Digital Learning Material Management in Repository Application Using Personal Extreme Programming (PXP)”. Journal of Hypermedia & Technology-Enhanced Learning, vol. 2, no. 1, Feb. 2024, pp. 16-31, doi:10.58536/j-hytel.v2i1.108.