Document Type : Research Paper
Author
.
., .. (2002). . Economics Research, 2(7), 145–164.
., .. ".", Economics Research, 2, 7, 2002, 145–164.
., .. (2002). '.', Economics Research, 2(7), pp. 145–164.
., .., ".." Economics Research, 2 7 (2002): 145–164,
. .. . Economics Research. 2002;2(7):145–164 (In Persian).
