HASBIYATI, H.; KHUSNAH, L. PENGEMBANGAN E-BOOK BEREKSTENSI epub PADA PEMBELAJARAN IPA SMP. JURNAL BIOSHELL, [S. l.], v. 5, n. 1, 2016. Disponível em: https://ejurnal.uij.ac.id/index.php/BIO/article/view/49. Acesso em: 3 may. 2024.