Abdulrahman, M. M., A. D. Abbood, and B. A. Attea. “The Influence of NMI Against Modularity in Community Detection Problem: A Case Study for Unsigned and Signed Networks”. Iraqi Journal of Science, Vol. 62, no. 6, July 2021, pp. 2064-81, doi:10.24996/ijs.2021.62.6.32.