(3JdNjU GdYHGQGJ HdWja GdETGQGJ aj GdbQGAGJ GdSHY (B/s - (3GdMSf GdbjQhGfj, GdMSf Hf Nda Hf YHO Gddg,s 427-514 (3gLQjs; (3MGcej, SHjY MeRIs ((3LOI, GdSYhOjI (B:s (3OGQ GdbHdI ddKbGaI GdESdGejI ;s (3HjQhJ (B:s (3eDSSI Ydhe GdbQBf,s, 1988)
Keywords: (3GdbQBfs -- (3GdbQGAGJ GdSHYs