. (2005). . (e124130). Strategy, 13(2), e124130
. "" .e124130 , Strategy, 13, 2, 2005, e124130.
. (2005). '', Strategy, 13(2), e124130.
, "," Strategy, 13 2 (2005): e124130,
. . Strategy. 2005;13(2):e124130 (In Persian).
