@article{paperid:1044008, author = {Sabouhi Sabouni, Mahmood and R. Esfanjari Kenari}, title = {Measuring technological gap ratio of wheat production using StoNED approach to metafrontier}, journal = {International Journal of Applied Operational Research}, year = {2014}, volume = {4}, number = {2}, month = {February}, issn = {2251-6867}, pages = {33--42}, numpages = {9}, keywords = {StoNED; Metafrontier; Technology Gap Ratios; Wheat}, }