TY  - BOOK
AU  - Thomas Heckelei , Wolfgang Britz , and Yinan Zhang
TI  - Positive Mathematical Programming Approaches – Recent Developments in Literature and Applied Modelling
KW  - Computer science, information & general works
UR  - https://new.zodml.org/sites/default/files/2023-07/positive_mathematical_programmingestimation_of_programming_modelsfarm_and_sector_modelspolicy_impact_assessment.pdf
ER  -