1. AASHTO. Guide for design of pavement structures. American Association of State Highway and Transportation Officials; 1993.
2. AASHTO. Repetitive static plate load test of soils and flexible pavement components for use in evaluation and design of airport and highway pavements, AASHTO T221-90, Washington, DC; 2004.
3. Recent advances in the chemical recycling of polymers (PP, PS, LDPE, HDPE, PVC, PC, Nylon, PMMA);Achilias;Mater Recycl-Trends Persp,2018
4. Degradation Studies on Recycled Polyethylene Terephthalate;Al-Azzawi,2015
5. Investigation of recycled gypsum in conjunction with waste plastic trays for ground improvement;Ahmed;Constr Build Mater,2011