. (2013). . (e124501). Strategy, 22(3), e124501
. "" .e124501 , Strategy, 22, 3, 2013, e124501.
. (2013). '', Strategy, 22(3), e124501.
, "," Strategy, 22 3 (2013): e124501,
. . Strategy. 2013;22(3):e124501 (In Persian).
