Development of a Contextual E-Book Integrated With 3D Images of Pico Hydro Rainwater for Alternative Energy Materials to Improve Learning Independence of Students at SMA Negeri 3 Simpang Hilir. IJC-MaSTEd 2026, 1 (1), 19-24. https://doi.org/10.31571/ijcmasted.v1i1.1019.