Document Type : Research Paper
Author
.
., .. (2002). . Economics Research, 2(7), 125–143.
., .. ".", Economics Research, 2, 7, 2002, 125–143.
., .. (2002). '.', Economics Research, 2(7), pp. 125–143.
., .., ".." Economics Research, 2 7 (2002): 125–143,
. .. . Economics Research. 2002;2(7):125–143 (In Persian).
