Document Type : Research Paper
Author
.
., .. (2002). .. Economics Research, 2(6), 185–204.
., .. "..", Economics Research, 2, 6, 2002, 185–204.
., .. (2002). '..', Economics Research, 2(6), pp. 185–204.
., .., "..." Economics Research, 2 6 (2002): 185–204,
. .. .. Economics Research. 2002;2(6):185–204 (In Persian).
