Sugiyanto, Kharisma Muhammad Adzani, Ahlul Qulub, and Ridwan Muhammad Saputra. 2025. “BATIK MOTIF FROM HEAT WAVE”. Sunan Kalijaga Journal of Applied Mathematics 3 (1):1-4. http://sunankalijaga.org/jurnal/index.php/skjam/article/view/91.