(3Gdjhe GdBNQ (B/ s - (3GdQMHGhi, YHO GdbGOQ(B.s ((3GdbGgQI (B: s (3OGQ GdSdGe hGdfTQ hGdJhRjY,s, 1987)
Keywords: (3Gdjhe GdBNQ(B.s