. (2007). . (e124260). Strategy, 15(1), e124260
. "" .e124260 , Strategy, 15, 1, 2007, e124260.
. (2007). '', Strategy, 15(1), e124260.
, "," Strategy, 15 1 (2007): e124260,
. . Strategy. 2007;15(1):e124260 (In Persian).
