. (2002). . (e123835). Strategy, 10(3), e123835
. "" .e123835 , Strategy, 10, 3, 2002, e123835.
. (2002). '', Strategy, 10(3), e123835.
, "," Strategy, 10 3 (2002): e123835,
. . Strategy. 2002;10(3):e123835 (In Persian).
