(3ef COH GdaQS h GdJQc (B/ s - (3GdeUQj, MSjf eLjHs ((3GdbGgQI (B:s (3GdOGQ GdKbGajI ddfTQ,s, 1999)
Keywords: (3GdCOH GdaGQSjs; (3GdCOH GdJQcjs