Ramesh, Obbu, S. Sharief Basha, and W. Abdul Hameed. “Signless Laplacian Energy of Operations on Intuitionistic Fuzzy Graphs”. International Journal of Engineering and Technology 7, no. 4.10 (October 2, 2018): 888–891. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/26781.