(3GdaVGA hGdTgH (B/ s - (3eMeO aJMi YhV Gddgs; (3eMeO QVG eOhQ (B((3eQGLY(B)s ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1973)
Keywords: (3GdaVGA GdNGQLis; (3GdfjGRcs