Xu, Guangyin, Jihao Feng, Fenglei Chen, Heng Wang, and Zhenfeng Wang. 2019. “Simulation-Based Optimization of Control Policy on Multi-Echelon Inventory System for Fresh Agricultural Products”. International Journal of Agricultural and Biological Engineering 12 (2):184-94. https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/2834.