(3GdWdGb hCKQg aj GdLQjeI (B:s (3OQGSI JMdjdjI JWHjbjI (B/s - (3GdTbjQ, UGdM Hf SdjeGf Hf YHO Gddgs; (3HhSGb, eMeO GdeOfj s (2008)
(3HHdjhLQGajI (B: (3hQbI (B162-173.s
(3jTJed Ydi eSJNdU HGddZJjf GdYQHjI hGdEfLdjRjI(B.s
Keywords: (3GdWdGbs -- (3LhGfH GLJeGYjIs; (3GdLQjeI hGdeLQehfs -- (3LhGfH GLJeGYjIs; (3QSGdI LGeYjI (B((3eGLSJjQ(B)s