Document Type : Research Paper
Authors
.
., . & ., .. (2003). . Economics Research, 3(10), 199–232.
., .., & ., .. ".", Economics Research, 3, 10, 2003, 199–232.
., .., & ., .. (2003). '.', Economics Research, 3(10), pp. 199–232.
., . & ., .., ".." Economics Research, 3 10 (2003): 199–232,
. .., . .. . Economics Research. 2003;3(10):199–232 (In Persian).
