VALIDITAS DAN PRAKTIKALITAS APLIKASI MOBILE SEBAGAI MEDIA PEMBELAJARAN PADA MATERI SISTEM PERIODIK UNSUR FASE E SMA/MA. BIOCHEPHY: Journal of Science Education, [S. l.], v. 5, n. 2, p. 1047–1052, 2025. Disponível em: https://journal.moripublishing.com/index.php/biochephy/article/view/1804. Acesso em: 22 aug. 2026.