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 & Technology, vol. 7, no. 4.14, Dec. 2019, pp. 361-4, https://doi.org/10.14419/ijet.v7i4.14.27675.