S. . Azim, S. . Noor, R. Akhtar, T. . Habib, and M. . Hayat, “Optimization of Process Parameters using Full Factorial Design in Injection Molding of Polypropylene: Optimization of process parameters using Full Factorial Design in Injection Molding of Polypropylene”, PPASA, vol. 56, no. 2, pp. 67–75, Mar. 2021.