AKAR H. KARIM; NABEEL E. ARIF; AYAD M. RAMADAN. The M-Polynomial and Nirmala index of Certain Composite Graphs. Tikrit Journal of Pure Science, [S. l.], v. 27, n. 3, p. 92–101, 2022. DOI: 10.25130/tjps.v27i3.45. Disponível em: https://tjpsj.org/index.php/tjps/article/view/45. Acesso em: 17 jun. 2025.