Basim Mohammed Merhej, Prof. Dr. Saoud Chayed Mashkour, Dr. Mohammed Sameer Dherib AL Robaaiy. “ENVIRONMENTAL COSTS AND THEIR ROLE IN MEASURING & IMPROVING THE ENVIRONMENTAL STATUS OF INDUSTRIAL COMPANIES AN APPLIED RESEARCH IN SOUTH CEMENT FACTORY - AL-MUTHANNA GOVERNORATE”. PalArch’s Journal of Archaeology of Egypt Egyptology, vol. 17, no. 6, Nov. 2020, pp. 13061-9, https://www.archives.palarch.nl/index.php/jae/article/view/3381.