Published Central Composite Design in a Refinery’s Wastewater Treatment by Air Flotation by F. Rigas, P. Panteleos, C. Laoudis rigas_0.pdf
Published Environmental Improvement of Alexandria’s Wastewater Treatment Plants Using Life Cycle Assessment Approach by Roushdi Mahmoud, El-Hawary Ahmed, Mahgoub Mohamed 450-459_831_Roushdi_14-4.pdf