Chiu, Y.-S.P., Jhan, J.-H., Chiu, V. and Chang, H.-H. 2021. A multi-item manufacturing system with an outsourcer and random defective items. Journal of Applied Research and Technology. 19, 4 (Aug. 2021), 364–378. DOI:https://doi.org/10.22201/icat.24486736e.2021.19.4.1123.