(3ebOeI efgLjI dOQGSI JGQjN GdGOH GdYQHi (B/ s - (3SdjeGf GdYWGQs ([S.N] : (3OGQ GdKbGaI ddfTQ hGdJhRjY , s, 1991)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GQJLGd GdNWHs; (3JGQjN hfbOs