. (2006). . (e124153). Strategy, 13(4), e124153
. "" .e124153 , Strategy, 13, 4, 2006, e124153.
. (2006). '', Strategy, 13(4), e124153.
, "," Strategy, 13 4 (2006): e124153,
. . Strategy. 2006;13(4):e124153 (In Persian).
