Jing H and W Wenjiang (1995). “Optimizing Strengths of Cement by DEA Model with Output Only.? in Proceedings of Operations Research and its Applications. First International Symposium, Beijing World Publishing: 533-537.

Jing H and W Wenjiang (1995). “Optimizing Strengths of Cement by DEA Model with Output Only.? in Proceedings of Operations Research and its Applications. First International Symposium, Beijing World Publishing: 533-537.

Leave a Reply