. (2007). . (e124257). Strategy, 15(1), e124257
. "" .e124257 , Strategy, 15, 1, 2007, e124257.
. (2007). '', Strategy, 15(1), e124257.
, "," Strategy, 15 1 (2007): e124257,
. . Strategy. 2007;15(1):e124257 (In Persian).
