KUSUMA, J. Solusi Persamaan Helmholtz untuk Material Komposit. Jurnal Matematika, Statistika dan Komputasi, [S. l.], v. 13, n. 1, p. 39-45, 2018. DOI: 10.20956/jmsk.v13i1.3477. Disponível em: http://journal.unhas.ac.id/index.php/jmsk/article/view/3477. Acesso em: 30 jun. 2024.