Document Type : Research Paper
Author
.
., .. (2003). . Economics Research, 3(10), 177–198.
., .. ".", Economics Research, 3, 10, 2003, 177–198.
., .. (2003). '.', Economics Research, 3(10), pp. 177–198.
., .., ".." Economics Research, 3 10 (2003): 177–198,
. .. . Economics Research. 2003;3(10):177–198 (In Persian).
