P. Vijayalakshmi, and Dr. G. Velammal. “A New Approach for Finding the Shortest Path in Z-Graph Using Modifiers”. Utilitas Mathematica 122, no. 1 (March 14, 2025): 37–42. Accessed May 12, 2025. https://utilitasmathematica.com/index.php/Index/article/view/2068.