Abdurahim, Mamika Ujianita Romdhini, Jihadil Qudsi, Faisal Al-Sharqi, and Zahari Md. Rodzi. “Delta Degree-Based Indices of Prime Coprime Graph for Integers Modulo Group”. Science and Technology Indonesia 11, no. 1 (January 2, 2026): 10–18. Accessed April 30, 2026. https://sciencetechindonesia.com/index.php/jsti/article/view/2008.