(3JMbjb aj eLRQI (B/ s - (3cGHdjhc, Cefjhfs ((3HjQhJ (B:s (3GdOGQ GdJbOejI,s, 1984)
Keywords: (3GdMQH GdadSWjfjI GdESQGFjdjI , (B1982s; (3dHfGfs; (3GdJGQjN GdSjGSjs