Zamri, Siti Norziahidayu Amzee, Hazzirah Izzati Mat Hassim, Norarida Abd Rhani, Muhammad Azrin Ahmad, and Nor Haniza Sarmin. “Adjacency Matrix and Energy of Graph of a Ring Associated to Kapal Layar Pattern in Tudung Saji”. MATEMATIKA 41, no. 2 (August 1, 2025): 167–177. Accessed October 6, 2025. https://matematika.utm.my/index.php/matematika/article/view/1568.