@article{201804.0261, doi = {10.20944/preprints201804.0261.v1}, url = {https://doi.org/10.20944/preprints201804.0261.v1}, year = 2018, month = {April}, publisher = {Preprints}, author = {Haitao Ma and Zhan Sun and Chuanglin Fang}, title = {Risk Assessment of Transnational Oil Investment Using a Fuzzy Comprehensive Evaluation Method}, journal = {Preprints} }