Document Type : Research Paper
Author
.
., .. (2003). . Economics Research, 3(10), 67–88.
., .. ".", Economics Research, 3, 10, 2003, 67–88.
., .. (2003). '.', Economics Research, 3(10), pp. 67–88.
., .., ".." Economics Research, 3 10 (2003): 67–88,
. .. . Economics Research. 2003;3(10):67–88 (In Persian).
