Document Type : Research Paper
Authors
.
., . & ., .. (2001). . Economics Research, 1(1), 91–108.
., .., & ., .. ".", Economics Research, 1, 1, 2001, 91–108.
., .., & ., .. (2001). '.', Economics Research, 1(1), pp. 91–108.
., . & ., .., ".." Economics Research, 1 1 (2001): 91–108,
. .., . .. . Economics Research. 2001;1(1):91–108 (In Persian).
