Ja'faruddin, Ja'faruddin. “Mathematical Topology Meets Tradition: Alexander Polynomial Analysis of Sidalungguh Ketupat Weaving Patterns”. Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika 8, no. 1 (November 19, 2024): 60–65. Accessed July 8, 2025. https://www.e-journal.my.id/proximal/article/view/4869.