(3MjGI GdWad (B: s (3aj GdUMI hGdeQV , aj GdefRd h GdeOQSI s - (3GdOjhGfj , eUWai s ((3HjQhJ (B: s (3GdecJHI GdMOjKI ddWHGYI hGdfTQ , s, 1975)
Keywords: (3GdGWaGd s -- (3GdYfGjI GdUMjI s