(3fUa GdcQI GdZQHi (B((3GdGeQjci(B) (3OQGSI ai GdLZQGajG GdGbdjejI (B/ s - (3Rjf GdOjf YHO GdebUhOs ([S.N] : (3efTGI GdeYGQa , s, 1975)
Keywords: (3GdhdGjGJ GdeJMOI GdGeQjcjIs; (3GeQjcG GdLfhHjIs; (3GeQjcG GdTeGdjIs