CAHYANA, C.; HAMDU, G.; LIDINILLAH, D. A. M.; APRILIYA, S. Electrical Tandem Roller (ETR) Media for 4C Capabilities Based Stem Learning Elementary Schools. International Journal of Elementary Education, [S. l.], v. 4, n. 2, p. 169–178, 2020. DOI: 10.23887/ijee.v4i2.25205. Disponível em: https://ejournal.undiksha.ac.id/index.php/IJEE/article/view/25205. Acesso em: 22 dec. 2024.