SIREGAR, B. J.; NDRURU, L.; TAMBA, S. P. Android-Based Learning Media for Vocational High School Students. International Journal of Natural Science and Engineering, [S. l.], v. 5, n. 2, p. 39–48, 2021. DOI: 10.23887/ijnse.v5i2.37080. Disponível em: https://ejournal.undiksha.ac.id/index.php/IJNSE/article/view/37080. Acesso em: 7 may. 2024.