@article{paperid:1070350, author = {Ghanbari, Reza and Kh. Ghorbani-Moghadam and N. Mahdavi-Amiri}, title = {A Direct Method to Compare Bipolar LR Fuzzy Numbers}, journal = {Advances in Fuzzy Systems}, year = {2018}, volume = {2018}, month = {March}, issn = {1687-7101}, pages = {1--7}, numpages = {6}, keywords = {It doesn't have keyword}, }