SUDIBYO, E.; JATMIKO, B.; WIDODO, W. PENGEMBANGAN INSTRUMEN MOTIVASI BELAJAR FISIKA: ANGKET. JPPIPA (Jurnal Penelitian Pendidikan IPA), [S. l.], v. 1, n. 1, p. 13–21, 2017. DOI: 10.26740/jppipa.v1n1.p13-21. Disponível em: https://journal.unesa.ac.id/index.php/jppipa/article/view/576. Acesso em: 9 dec. 2023.