. (2001). . (e123743). Strategy, 9(1), e123743
. "" .e123743 , Strategy, 9, 1, 2001, e123743.
. (2001). '', Strategy, 9(1), e123743.
, "," Strategy, 9 1 (2001): e123743,
. . Strategy. 2001;9(1):e123743 (In Persian).
