Akwu, Abolape Deborah, Ochidoma Akpakwu, Tayo Charles Adefokun, and Nurdin Hinding. “2-HOP ROMAN DOMINATION OF SOME PRODUCT GRAPHS”. Matematichki Bilten 49, no. 1 (April 2, 2026): 41–54. Accessed June 13, 2026. https://bilten.smm.org.mk/index.php/bilten/article/view/1956.