(3GdeWGdHI GdOhdjI dGUdGM GdVQQ ai GdbGfhf GdOhdi GdYGe h GdTQjYI GdGSdGejI (B/ s - (3YHOGdZfi eMehOs ([S.N] : (3aDGO gGTe GdcJHi , s, 1986)
Keywords: (3GdbGfhfs; (3GdbGfhf GdOhdi GdYGes; (3GdLfSjIs; (3GdScGf GdGLGfHs; (3GdehGWfIs