Document Type : Research Paper
Author
.
.,. . (2001). .. Economics Research, 1(2), 11-27.
.,. . ".", Economics Research, 1, 2, 2001, 11-27.
. .. (2001). '.', Economics Research, 1(2), pp. 11-27.
. ., ".," Economics Research, 1 2 (2001): 11-27,
. .. .. Economics Research. 2001;1(2):11-27 (In Persian).
