. (2002). . (e123881). Strategy, 10(1), e123881
. "" .e123881 , Strategy, 10, 1, 2002, e123881.
. (2002). '', Strategy, 10(1), e123881.
, "," Strategy, 10 1 (2002): e123881,
. . Strategy. 2002;10(1):e123881 (In Persian).
