Document Type : operational
kheiri,B. and erfani,E. (2013). . Commercial Surveys, 11(59), 59-77.
kheiri,B. , and erfani,E. . "", Commercial Surveys, 11, 59, 2013, 59-77.
kheiri B., erfani E. (2013). '', Commercial Surveys, 11(59), pp. 59-77.
B. kheiri and E. erfani, "," Commercial Surveys, 11 59 (2013): 59-77,
kheiri B., erfani E. . Commercial Surveys, 2013; 11(59): 59-77.
