Wibowo, Eko Ari, et al. “Optimization of Plastic Injection Molding Process Parameters for Cowl B (L R) Sink Mark Defects by Using Taguchi Methods and ANOVA”. Operations Excellence: Journal of Applied Industrial Engineering, vol. 15, no. 1, Aug. 2023, pp. 21-28, doi:10.22441/oe.2023.v15.i1.069.