Ratna Wulan E. Aplikasi Matriks Hessian Pada Model EPQ (Economic Production Quantity) dengan Kendala Rework. KUBIK [Internet]. 2015 Apr. 28 [cited 2025 Mar. 28];1(1):12-20. Available from: https://journal.uinsgd.ac.id/index.php/kubik/article/view/319