(3GdSefI h RjGOI GdhRf Hjf GdeTcdI h GdMd (B/ s - (3NjQJ, YGOds ((3GdbGgQI (B:s (3eQcR GdcJGH ddfTQ,s, 1993)
Keywords: (3GdQjLjes; (3GddjGbI GdHOfjIs