(3hbGFY fOhI eSJbHd GdYed GdSjGSj GdESdGej aj GdCQOf (B/ s - (3fOhI eSJbHd GdYed GdSjGSj GdESdGej aj GdCQOf (B( -19 : (3YeGf (B)s ((3YeGf (B:s (3eQcR OQGSGJ h CHMGK GdYed GdESdGej,s, 1992)
Keywords: (3GdEfJNGHGJs; (3GdCQOfs; (3GdgjFGJ GdJTQjYjIs; (3GdCMRGH GdOjfjIs