Prasetyaningsih, E., Suprayogi, S., Samadhi, T. A., & Halim, A. H. (2017). Production and Delivery Batch Scheduling with Multiple Due Dates to Minimize Total Cost. Journal of Engineering and Technological Sciences, 49(1), 16-36. https://doi.org/10.5614/j.eng.technol.sci.2017.49.1.2