. (2006). . (e124152). Strategy, 13(4), e124152
. "" .e124152 , Strategy, 13, 4, 2006, e124152.
. (2006). '', Strategy, 13(4), e124152.
, "," Strategy, 13 4 (2006): e124152,
. . Strategy. 2006;13(4):e124152 (In Persian).
