(3GdCeKGd GdYQHjI GdbOjeI eY EYJfGA NGU (B/ s - (3RdgGje, QhOdas; (3YHO GdJhGH, QeVGfs ((3HjQhJ (B:s (3eDSSI GdQSGdI,s, 1984)
Keywords: (3GdCeKGds