(3TQM GdeYdbGJ GdSHY(B: (3JHSjW ddTQhM GdbOjeI eY JMdjd hOQGSI (B/ s - (3SdjeGf GdYWGQs ([S.N] : (3OGQ GdKbGaI ddfTQ hGdJhRjY , s, 1988)
Keywords: (3GdTYQ GdYQHis; (3GdYUQ GdLGgdis; (3GdeYdbGJs; (3JGQjN hfbOs