Alkaissi, Z.A. and Al Khafagy, D.A. (2009) “Propagation Mechanisms for Surface Initiated Cracking in Composite Pavements”, Al-Khwarizmi Engineering Journal, 5(3), pp. 51–59. Available at: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/571 (Accessed: 20 July 2026).