Miaad Fadhel Aliwi, and Obaid Mahmoud Al-Zubaie. 2017. “Using the EVOP Evolution Process for 2^2 Factorial Experiments in Developing Processes and Achieving Optimization With Application to Al-Fataeh Cement Factory in Derna City - Libya”. The Scientific Journal of Cihan University– Sulaimaniya 1 (3):406-14. https://doi.org/10.25098/1.3.23.