Zahid M.A., Naeem M., Baig A.Q., and Ggao, Wei. “General Fifth M-Zagreb Indices and Fifth M-Zagreb Polynomials of Crystal Cubic Carbon”. Utilitas Mathematica 109 (September 20, 2022). Accessed May 7, 2026. https://utilitasmathematica.com/index.php/Index/article/view/1284.