(3GdehShYI GdbVGFjI GdYScQjI(B.s (3GdLRA GdChd,s (3GdJLfjO , GdbVGA GdGOGQi GdYScQi (B/s - (3aDGO CMeO YGeQs ((3GdbGgQI (B:s (3OGQ GdKbGaI ddWHGYI hGdfTQ,s, 1985)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdLfGFis; (3GdbVGA GdYScQis