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).
