(3cJGH GdUfGYJjf (B: s (3GdcJGHI h GdTYQ (B/ s - (3GdYScQj, CHh gdGd GdMSf Hf YHO Gddg Sgd Hf SYjOs; (3bejMI, eajOs ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI,s, 1984)
Keywords: (3GddZI GdYQHjIs; (3GdHdGZIs