. (2007). . (e124247). Strategy, 14(4), e124247
. "" .e124247 , Strategy, 14, 4, 2007, e124247.
. (2007). '', Strategy, 14(4), e124247.
, "," Strategy, 14 4 (2007): e124247,
. . Strategy. 2007;14(4):e124247 (In Persian).
