(3GfMQGaGJ GdSdhc hGdacQ ai GdPGJ GdYQHjI(B: (3ai GdUMI GdYbdjI hGdHMK Yf Gdcja GdNdGb (B/ s - (3Ydi RjYhQs ([S.N] : (3GdeQcR GdKbGai GdYQHi , s, 1992)
Keywords: (3Yde GdfaSs; (3GdGNdGbs; (3GdSdhcs