(3GdfXe GdSjGSjI hGdOSJhQ GddHfGfi (B/s - (3eMSf Ndjds ((3HjQhJ (B:s (3OGQ GdfgVI GdYQHjI,s, 1975)
(3jTJed Ydi EQLGYGJ HHdjhLQGajg(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdOSJhQjs -- (3dHfGfs; (3GdfXe GdSjGSjIs