Pratama, Y.N.A., M. Darmawan, R.D. Astanti, T.J. Ai, and D.C. Gong. 2019. “Inventory Policy for Dependent Demand Where Parent Demand Has Decreasing Pattern”. International Journal of Industrial Engineering and Engineering Management 1 (1):17-30. https://doi.org/10.24002/ijieem.v1i1.2293.