Rajasekar, G., K. Nagarajan, and M. Seenivasan. “Location Domination Number of Sum of Graphs”. International Journal of Engineering and Technology 7, no. 4.10 (October 2, 2018): 852–856. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/26774.