(3TjQGR eOjfI GdGhdjGA hGdTYQGA (B/ s - (3GQHQi, GQRs; (3SGei ecGQe(B((3eJQLe(B)s ([S.N] : (3ecJHI dHfGf , s, 1967)
Keywords: (3JGQjNs; (3GjQGfs; (3GdYGde GdbOjes; (3TjQGRs