. (2002). . (e123890). Strategy, 10(2), e123890
. "" .e123890 , Strategy, 10, 2, 2002, e123890.
. (2002). '', Strategy, 10(2), e123890.
, "," Strategy, 10 2 (2002): e123890,
. . Strategy. 2002;10(2):e123890 (In Persian).
