. (2001). . (e123746). Strategy, 9(1), e123746
. "" .e123746 , Strategy, 9, 1, 2001, e123746.
. (2001). '', Strategy, 9(1), e123746.
, "," Strategy, 9 1 (2001): e123746,
. . Strategy. 2001;9(1):e123746 (In Persian).
