(3GdeHGOF GdOSJhQjI GdYGeI (B:s (3fXQjI GdOhdI hGdCSS GdYGeI ddJfXje GdSjGSj (B/s - (3aDGO eMeO GdfGOjs ((3GdbGgQI (B:s (3OGQ fTQ GdKbGaI,s, 1975)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdOSJhQjs; (3GdfXe GdSjGSjIs