Document Type : operational
garshasbi,A. (2015). . Commercial Surveys, 13(70), 31-44.
garshasbi,A. . "", Commercial Surveys, 13, 70, 2015, 31-44.
garshasbi A. (2015). '', Commercial Surveys, 13(70), pp. 31-44.
A. garshasbi, "," Commercial Surveys, 13 70 (2015): 31-44,
garshasbi A. . Commercial Surveys, 2015; 13(70): 31-44.
