(3TQM GdbGfhf GdOhdj (B(1) (3GdeONd ddYdhe GdbGfhfjI (B.s - (3eQbS , SdjeGf (B.s ((3GdbGgQI (B:s (3GdeWHYI GdYGdejI ,s, 1967)
Keywords: (3GdbGfhf GdeOfj (B.s