Document Type : Research Paper
Authors
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., .., ., . & ., .. (2005). . Economics Research, 5(17), 161–187.
., .., ., .., & ., .. ".", Economics Research, 5, 17, 2005, 161–187.
., .., ., .., & ., .. (2005). '.', Economics Research, 5(17), pp. 161–187.
., .., ., . & ., .., ".." Economics Research, 5 17 (2005): 161–187,
. .., . .., . .. . Economics Research. 2005;5(17):161–187 (In Persian).
