@article{DONG Yin-hong:170, author = {DONG Yin-hong, ZHENG Qi, LI Long}, title = {Bi-level Programming Model for Multi-source Emergency Materials Procurement Considering Supply Risks}, publisher = {Chinese Journal of Management Science}, year = {2021}, journal = {Chinese Journal of Management Science}, volume = {29}, number = {11}, eid = {170}, numpages = {8}, pages = {170}, keywords = {relief items procurement; purchase order allocation; bi-level programming; supply risk}, url = {http://www.zgglkx.com/EN/abstract/article_17580.shtml}, doi = {10.16381/j.cnki.issn1003-207x.2019.Y-04} }