. (2004). . (e124002). Strategy, 12(1), e124002
. "" .e124002 , Strategy, 12, 1, 2004, e124002.
. (2004). '', Strategy, 12(1), e124002.
, "," Strategy, 12 1 (2004): e124002,
. . Strategy. 2004;12(1):e124002 (In Persian).
