(3GdHjHdhZQGajG GdehVhYjI GdYQHjI (B: s (3Ydhe GdOjf GdESdGej (B/ s - (3CHh GdfhQ, YHO GdhgGH YHO GdSdGes ((3GdbGgQI (B:s (3GdefVeI GdYQHjI ddJQHjI h GdKbGaI h GdYdhe(B-(3EOGQIGdJhKjb h GdEYdGe,s, 1976)
Keywords: (3GdESdGes; (3GdHjHdhZQGajGs