Document Type : Research Paper
Author
.
., .. (2002). . Economics Research, 2(6), 73–100.
., .. ".", Economics Research, 2, 6, 2002, 73–100.
., .. (2002). '.', Economics Research, 2(6), pp. 73–100.
., .., ".." Economics Research, 2 6 (2002): 73–100,
. .. . Economics Research. 2002;2(6):73–100 (In Persian).
