Document Type : Research Paper
Author
.
., .. (2001). . Economics Research, 1(2), 159–184.
., .. ".", Economics Research, 1, 2, 2001, 159–184.
., .. (2001). '.', Economics Research, 1(2), pp. 159–184.
., .., ".." Economics Research, 1 2 (2001): 159–184,
. .. . Economics Research. 2001;1(2):159–184 (In Persian).
