(3GdaQjOI ai TQM GdbUjOI GdJi GfTCgG SYjO Hf GdeHGQc GdeYQha HGHf GdOgGf GdfMhi (B/ s - (3GHf GdOgGf GdHZOGOi (B: (3GHh eMeO SYjO Hf GdeHGQc Hf Ydi GdGfUGQis; (3YHOGdQMef Hf SdjeGf GdYKjejfs ([S.N] : (3ecJHI GdNGfLi , s, 1990)
Keywords: (3GdTYQ GdYQHis; (3GdfMhs; (3GddZI GdYQHjIs; (3GdOhdI GdYHGSjI GdKGfjIs