. (2004). . (e124027). Strategy, 12(2), e124027
. "" .e124027 , Strategy, 12, 2, 2004, e124027.
. (2004). '', Strategy, 12(2), e124027.
, "," Strategy, 12 2 (2004): e124027,
. . Strategy. 2004;12(2):e124027 (In Persian).
