. (2004). . (e124030). Strategy, 12(2), e124030
. "" .e124030 , Strategy, 12, 2, 2004, e124030.
. (2004). '', Strategy, 12(2), e124030.
, "," Strategy, 12 2 (2004): e124030,
. . Strategy. 2004;12(2):e124030 (In Persian).
