. (2002). . (e123883). Strategy, 10(2), e123883
. "" .e123883 , Strategy, 10, 2, 2002, e123883.
. (2002). '', Strategy, 10(2), e123883.
, "," Strategy, 10 2 (2002): e123883,
. . Strategy. 2002;10(2):e123883 (In Persian).
