(3GdOjebQGWjI h GdKhQI (B: s (3eCRb GdYGde GdKGdK (B/ s - (3MGaX, UdGM GdOjfs ((3GdbGgQI (B:s (3eDSSI OGQ GdTYH,s, 1992)
Keywords: (3GdKhQGJs