NURUL HIDAYATI, ELOK; NURIL MAULIDA FAUZIAH, AN. PENSA E-JURNAL: PENDIDIKAN SAINS, [S. l.], v. 7, n. 2, 2019. DOI: 10.26740/pensa.v7i2.27551. Disponível em: https://ejournal.unesa.ac.id/index.php/pensa/article/view/27551. Acesso em: 28 oct. 2025.