(3GdeNGdaGJ GdeGdjI hQbGHI GdLgGR GdeQcRj ddeMGSHGJ (B/s - (3UdGM GdYWjajs ((3GdLjRI (B:s (3eWHYI GdMQejf GdMOjKI(B,s, 1978)
. 357-351 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdSjGSI GdfbOjIs; (3GdeNGdaGJ GdeGdjIs; (3LgGR GdeQcRjs; (3eMGSHGJs; (3eNGdaGJ eGdjIs; (3eMceI JCOjHjIs