(3GdGejQ GdLGgdi GdTGYQ GeQD GdbjS GdcfOi(B: (3JMdjd hOQGSI dTYQI hTNUjJI (B/ s - (3Ydi GdLfOis ([S.N] : (3OGQ GdacQ GdYQHi , s, 1988)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdYUQ GdLGgdis; (3JGQjN hfbOs; (3GeQD GdbjSs