Document Type : Research Paper
Author
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., .. (2001). . Economics Research, 1(2), 83–110.
., .. ".", Economics Research, 1, 2, 2001, 83–110.
., .. (2001). '.', Economics Research, 1(2), pp. 83–110.
., .., ".." Economics Research, 1 2 (2001): 83–110,
. .. . Economics Research. 2001;1(2):83–110 (In Persian).
