. (2003). . (e123911). Strategy, 11(1), e123911
. "" .e123911 , Strategy, 11, 1, 2003, e123911.
. (2003). '', Strategy, 11(1), e123911.
, "," Strategy, 11 1 (2003): e123911,
. . Strategy. 2003;11(1):e123911 (In Persian).
