Ismael, Mohammed, and Reem Al-Harjan. “Evaluation of Job-Mix Formula Tolerances As Related to Asphalt Mixtures Properties”. Journal of Engineering 24, no. 5 (May 1, 2018): 124-144. Accessed October 20, 2020. http://joe.uobaghdad.edu.iq/index.php/main/article/view/j.eng.2018.05.09.