(3GdGVWQGHGJ GdSdhcjI hGdGfaYGdjI (B/s - (3jMji, NhdI CMeOs ((3YeGf, GdCQOf (B:s (3OGQ GdacQ ddWHGYI hGdfTQ hGdJhRjY,s, 2000)
(3bGFeI eUWdMGJ EfLdjRj(B-(3YQHj (B: (3U(B. 241-247.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3HHdjhLQGajI (B: (3U(B. 235-240.s
Keywords: (3GdSdhcs -- (3LhGfH faSjIs; (3GdGVWQGHGJ GdYUHjIs; (3GdGVWQGHGJ GdfaSjIs; (3GdYdGL GdSdhcj (B((3Yde faS(B)s; (3GdSdhcjIs