Document Type : Research Paper
Author
.
., .. (2002). . Economics Research, 2(5), 75–94.
., .. ".", Economics Research, 2, 5, 2002, 75–94.
., .. (2002). '.', Economics Research, 2(5), pp. 75–94.
., .., ".." Economics Research, 2 5 (2002): 75–94,
. .. . Economics Research. 2002;2(5):75–94 (In Persian).
