(3Hfhc HdG ahGFO(B.s (3cGSJjQGLjI ddJfejI GdGbJUGOjI hGdGLJeGYjI ai GdOhd GdGSdGejI (B/s - (3GMeO YHOGdYRjR GdfLGQs ((3GdSYhOjI (B:s (3LGeYI Gdedc YHOGdYRjR (B,s, 1985)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdHfhc GdGSdGejIs