. (2004). . (e124050). Strategy, 12(3), e124050
. "" .e124050 , Strategy, 12, 3, 2004, e124050.
. (2004). '', Strategy, 12(3), e124050.
, "," Strategy, 12 3 (2004): e124050,
. . Strategy. 2004;12(3):e124050 (In Persian).
