. (2006). . (e124168). Strategy, 13(4), e124168
. "" .e124168 , Strategy, 13, 4, 2006, e124168.
. (2006). '', Strategy, 13(4), e124168.
, "," Strategy, 13 4 (2006): e124168,
. . Strategy. 2006;13(4):e124168 (In Persian).
