MUTIAWATI. Application of Mathematical Models in Science and Engineering. Journal of Asian Scientific Research, [S. l.], v. 5, n. 6, p. 269–279, 2015. DOI: 10.18488/journal.2/2015.5.6/2.6.269.279. Disponível em: https://archive.aessweb.com/index.php/5003/article/view/3728. Acesso em: 22 nov. 2024.