. (2005). . (e124123). Strategy, 13(2), e124123
. "" .e124123 , Strategy, 13, 2, 2005, e124123.
. (2005). '', Strategy, 13(2), e124123.
, "," Strategy, 13 2 (2005): e124123,
. . Strategy. 2005;13(2):e124123 (In Persian).
