Document Type : comparative study
ghaffary farsani,B. (2015). . Commercial Surveys, 12(69), 68-86.
ghaffary farsani,B. . "", Commercial Surveys, 12, 69, 2015, 68-86.
ghaffary farsani B. (2015). '', Commercial Surveys, 12(69), pp. 68-86.
B. ghaffary farsani, "," Commercial Surveys, 12 69 (2015): 68-86,
ghaffary farsani B. . Commercial Surveys, 2015; 12(69): 68-86.