(3Odjd eQGcR GdHMK GdJQHhj aj GdhWf GdYQHj (B/ s ((3JhfS (B:s (3GdefXeI GdYQHjI ddJQHjI h GdKbGaI h GdYdhe (B- (3EOGQI GdHMhK GdJQHhjI,s, 1984)
Keywords: (3GdJQHjIs; (3GdHdOGf GdYQHjIs; (3GdCHMGK GdJQHhjIs