. (2004). . (e124032). Strategy, 12(2), e124032
. "" .e124032 , Strategy, 12, 2, 2004, e124032.
. (2004). '', Strategy, 12(2), e124032.
, "," Strategy, 12 2 (2004): e124032,
. . Strategy. 2004;12(2):e124032 (In Persian).
