Andrianti T, Widiyono A. PENGEMBANGAN BAHAN AJAR BERBASIS E-BOOKS TERHADAP HASIL BELAJAR IPA MATERI PERUBAHAN WUJUD BENDA SISWA DI SEKOLAH DASAR. science [Internet]. 2025May29 [cited 2026Apr.2];5(2):617-26. Available from: https://www.jurnalp4i.com/index.php/science/article/view/5003