Sugiyanto, Sugiyanto, Dewi Rohmawati, Logis Ake Arisa, Putri Farrah Sasmitha Candra, and Erin Enrika Ayu Syaputri. “BATIK MOTIFS FROM WAVE EQUATIONS WITH VARIATIONS OF NEUMANN BOUNDARY CONDITIONS”. Sunan Kalijaga Journal of Applied Mathematics 2, no. 2 (October 1, 2024): 50–57. Accessed April 30, 2026. http://sunankalijaga.org/jurnal/index.php/skjam/article/view/73.