AINIYAH, LATIFATUL. PENSA E-JURNAL: PENDIDIKAN SAINS, [S. l.], v. 1, n. 03, 2013. DOI: 10.26740/pensa.v1i03.4304. Disponível em: https://ejournal.unesa.ac.id/index.php/pensa/article/view/4304. Acesso em: 5 nov. 2025.