. (2002). . (e123877). Strategy, 10(1), e123877
. "" .e123877 , Strategy, 10, 1, 2002, e123877.
. (2002). '', Strategy, 10(1), e123877.
, "," Strategy, 10 1 (2002): e123877,
. . Strategy. 2002;10(1):e123877 (In Persian).
