Document Type : comparative study
(2016). . Commercial Surveys, 14(76), 54-58.
. "", Commercial Surveys, 14, 76, 2016, 54-58.
(2016). '', Commercial Surveys, 14(76), pp. 54-58.
, "," Commercial Surveys, 14 76 (2016): 54-58,
. Commercial Surveys, 2016; 14(76): 54-58.
