Khalil, Abeer Sufyan, and Rawaa Dawoud Al-Dabbagh. “A Comparative Study on Meta-Heuristic Algorithms For Solving the RNP Problem”. Iraqi Journal of Science, vol. 60, no. 7, July 2019, pp. 1639-48, https://doi.org/10.24996/ijs.2019.60.7.24.