. (2004). . (e124035). Strategy, 12(2), e124035
. "" .e124035 , Strategy, 12, 2, 2004, e124035.
. (2004). '', Strategy, 12(2), e124035.
, "," Strategy, 12 2 (2004): e124035,
. . Strategy. 2004;12(2):e124035 (In Persian).
