Umamah, K.L., Yulinartati, N.C. and Halim, M. 2024. Deep Quality Cost Report Analysis Defective Product Control: Case Study of Maesan Bondowoso Black Crow Cigarette Company. West Science Accounting and Finance. 2, 02 (Jul. 2024), 268–274. DOI:https://doi.org/10.58812/wsaf.v2i02.1105.