recently, lotfi et al. [10] established an equivalence model between the output-oriented dual ccr model and multiple objective linear programming (molp) and used an interactive method for finding target unit on efficiency frontier such that the decision maker preferences can be taken into account. however their method is not applicable for situations in which some outputs are undesirable and ne...

article history: received date: 13 september, 2016 review date: 2 october 2016 accepted date:20 november 2016 printed on line: 5 january purpose: the present study was done to introduce an efficient tool in the field of moral behavior. material & method: method of the study was correlational, its approach was test developing and its population was students of islamic azad university- astara and...

cognitive linguistics gives the most inclusive, consistent description of how language is organized, used and learned to date. cognitive linguistics contains a great number of concepts that are useful to second language learners.  if-clauses in english, on the other hand, remain intriguing for foreign language learners to struggle with, due to their intrinsic intricacies. efl grammar books are ...