Marrouchi, Sahbi., Moez Ben Hessine, and Souad Chebbi. 2018. “New Strategy Based on Combined Use of Genetic Algorithm and Gradient to Solve the UC Problem: Theoretical Investigation and Comparative Study”. International Journal of Engineering and Technology 7 (3.13): 44-50. https://doi.org/10.14419/ijet.v7i3.13.16322.