Sitanggang IV, Rosyidi CN, Aisyati A. The Development of Order Quantity Optimization Model for Growing Item Considering the Imperfect Quality and Incremental Discount in Three Echelon Supply Chain. J. Tek. Ind. J. Keilmuan dan Apl. Tek. Ind. [Internet]. 2021 Oct. 31 [cited 2025 Nov. 1];23(2):101-10. Available from: https://jurnalindustri.petra.ac.id/index.php/ind/article/view/23828