Yin, Y., Cheng, S. R., Chiang, J. Y., Chen, J. C. H., Mao, X., & Wu, C. C. (2015). Scheduling Problems with Due Date Assignment. Discrete Dynamics in Nature and Society, 2015(), 402-403-241. https://doi.org/10.1155/2015/683269
Duan, J., Yu, J. J., & Liang, G. W. (2016). Food Production Enterprise Production Planning and Scheduling. Advance Journal of Food Science and Technology, 10(8), 558-562. https://www.airitilibrary.com/Article/Detail?DocID=20424876-201603-201602150038-201602150038-558-562