(3bGfhf Mbhb GdEfSGf (B/s - (3GdTGaYj eMeO HTjQs ((3GdefUhQI (B:s (3ecJHI GdLdGA GdLOjOI,s, 1992)
(3jTJed Ydj edGMbs
(3jTJed Ydj GQLGYGJ HHdjhLQGajIs
(3GdfU HGddZI GdYQHjIs
Keywords: (3Mbhb GdEfSGfs; (3GdbGfhf GdOhdj GdYGes