(3eTGcd SjGSI h EOGQI GdehGRfI ai GdOhd GdfGejI (B/s - (3agei eMehO TcQi s ((3GdbGgQI (B:s (3GdefXeI GdYQHjI ddYdhe GdEOGQjI (B,s, 1978)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeGdjI GdYGeI h GdJTQjY GdVQjHi s; (3GdSjGSI GdeGdjI s