(3GdfXe GdSjGSjI h GdbGfhf GdOSJhQj (B:s (3OQGSI dCSS h UhQ GdCfXeI GdSjGSjI GdMOjKI h ddfXGe GdOSJhQj aj eUQ h GdLeghQjI GdYQHjI GdeJMOI (B/s - (3eMSf Ndjds ((3GdEScfOQjI (B:s (3efTCI GdeYGQa (B,s, 1971)
(3jTJed Ydj GQLGYGJ HHdjhLQGajI (B.s
(3GdfU CZdHg HGddZI GdYQHjI HYV GdfUhU GdEfLdjRjI hGdaQfSjIs
Keywords: (3GdbGfhf GdOSJhQjs