(3GdJfajP ai GdehGO GdeOfjI hGdJLGQjI (B/ s - (3YHOGdHGSW LejYis; (3GeGd GdZRGjQis ([S.N] : (3efTGI GdeYGQa , s, 1991)
Keywords: (3GdbGfhfs; (3GdYbhOs; (3GdbGfhf GdNGUs; (3GdMLR GdGOGQis