. (2005). . (e124124). Strategy, 13(2), e124124
. "" .e124124 , Strategy, 13, 2, 2005, e124124.
. (2005). '', Strategy, 13(2), e124124.
, "," Strategy, 13 2 (2005): e124124,
. . Strategy. 2005;13(2):e124124 (In Persian).
