(3GdfLhe GdRGgQI ai edhc eUQ hGdbGgQI (B/ s - (3Hf JZQi HQOi, LeGd GdOjfs; (3eMeO MSjf TeS GdOjf (B((3JbOje hJYs ([S.N] : (3OGQ GdcJH GdYdejI ddfTQ hGdJhRjY , s, 1992)
Keywords: (3eUQs; (3JGQjNs; (3GdeeGdjc GdLQGcSIs; (3GdbGgQIs