Dler A. Al-Mamany, Dr. Ali Hussein Hameed, Dr. Raquim Nihad Zehawi. “Development of Pavement Management System on Road Network Using Geographic Information System Method- Kirkuk to Erbil Highway”. Design Engineering, June 2021, pp. 37 -47, http://thedesignengineering.com/index.php/DE/article/view/1938.