SUGIYANTO, S.; ROHMAWATI, D.; ARISA, L. A.; CANDRA, P. F. S.; SYAPUTRI, E. E. A. BATIK MOTIFS FROM WAVE EQUATIONS WITH VARIATIONS OF NEUMANN BOUNDARY CONDITIONS . Sunan Kalijaga Journal of Applied Mathematics, [S. l.], v. 2, n. 2, p. 50–57, 2024. Disponível em: http://sunankalijaga.org/jurnal/index.php/skjam/article/view/73. Acesso em: 30 apr. 2026.