(3GdbQi JUYO Edi GdbeQ (B: s (3eSQMjI (B/ s - (3HdHd, aQMGfs ((3HjQhJ (B:s (3OGQ GdcdeI ddfTQ,s, 1980)
Keywords: (3GdeSQMjI GdYQHjIs; (3dHfGfs