Z. Engku Zawawi, E., et al. “The Effect of MAPP Compatibilizing Agent on the Mechanical and Thermal Properties of Polypropylene PLA Blends”. International Journal of Engineering and Technology, vol. 7, no. 4.14, Dec. 2019, pp. 361-4, https://doi.org/10.14419/ijet.v7i4.14.27675.