(3GdeONd GdGSdGei ddGjOjhdhLjI GdYQHjI (B((3fMh GjOjhdhLjI YQHjI GSdGejI(B) / s - (3eMeO Ydi GHhQjGfs ([S.N] : (3LGeYI HjQhJ GdYQHjI , s, 1979)
Keywords: (3GdadSaI GdGSdGejIs; (3GdadSaIs; (3GdadSaI GdYQHjIs; (3GdhYi GdGLJeGYis; (3GdeYQaIs