(3cJGH GdeYQaI hGdJGQjN (B/s - (3GdHShj, jYbhH Hf SajGf Hf LhGf,s (3J(B. 277 (3g`(B.s; (3GHf OQSJhjI, YHO Gddg Hf LYaQ Hf eMeO,s 258-347 (3g`(B.s; (3GdYeQj, CcQe VjGAs ((3GdeOjfI GdefhQI (B:s (3ecJHI GdOGQ,s, 1990)
Keywords: (3GdJGQjN GdESdGejs; (3GdeSdehfs -- (3JQGLes; (3WHbGJ QhGI GdMOjK hMaGXgs -- (3JQGLes