(3eHGOF GdbGfhf GdEOGQj (B:s (3OQGSI ebGQfI(B.s (3GdcJGH GdChd,s (3GdebOeI GdYGeI, fXQjI GdeQcRjI hGddGeQcRjI, fXGe GdMce GdeMdj GdLOjO (B/s - (3GdWeGhj, SdjeGf eMeO SdjeGfs ((3GdbGgQI (B:s (3OGQ GdacQ GdYQHj,s, 1977)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbGfhf GdEOGQjs -- (3eUQs; (3GdeQcRjI hGddGeQcRjIs -- (3eUQs