A. R. Djamaluddin, J. G. R. M. W. T. “Influence of Long-Term Oven Aging Laboratory on Tensile Strength of Porous Asphalt Containing PET Waste and Modified Natural Asphalt ”. Design Engineering, Aug. 2021, pp. 7157-6, http://thedesignengineering.com/index.php/DE/article/view/3230.