Huda, M., and W. Safitri. “Analysis of Production Control, Quality Control, and Total Quality Management Against Product Failure”. Kontigensi : Jurnal Ilmiah Manajemen, Vol. 9, no. 2, Oct. 2021, pp. 644-52, https://jurnal.dim-unpas.web.id/index.php/JIMK/article/view/225.