JIA, Zhenyuan, Xiaohong LU, Defeng JIA, and Yuanzhe LV. 2011. “RESEARCH AND DEVELOPMENT OF PURCHASE MANAGEMENT SYSTEM FOR CHINESE MEDIUM AND SMALL MANUFACTURE ENTERPRISES”. International Journal of Industrial Engineering: Theory, Applications and Practice 18 (3). https://doi.org/10.23055/ijietap.2011.18.3.304.