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"Improved formulations to the hierarchical health facility ..."
James M. Tien, Khalaf El-Tell, Gene R. Simons (1983)
- James M. Tien, Khalaf El-Tell, Gene R. Simons:
Improved formulations to the hierarchical health facility location-allocation problem. IEEE Trans. Syst. Man Cybern. 13(6): 1128-1132 (1983)
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