(3GdcTa hGdaJM ai GdejOGf GdYdei (B/ s - (3HjQ , eGdchde s; (3GMeO MeGO GdMSjfi s; (3YHOGdMdje efJUQs ((3GdbGgQI (B: s (3fgVI eUQ ddWHGYI hGdfTQ hGdJhRjY, s, 1956)
Keywords: (3GaQjbjG s; (3GSjGs; (3GdeWGWs