(3eUQ hdjHjG ajeG Hjf GdbQf GdSGHY hGdbQf GdQGHY b (B. (3e (B/ s - (3GMeO YHOGdMdje OQGRs ((3GdbGgQI (B: s (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 2000)
Keywords: (3djHjG (B- (3JGQjNs; (3eUQ GdbOjeI (B- (3JGQjN (B- (3GdOhdI GdhSWi (B( 2260-1580 (3b(B. (3e (B)s; (3djHjG (B- (3GdGMhGd GdSjGSjIs