(3ejdGO GdYUhQ GdhSWi (B/ s - (3GdSjO GdHGR GdYQjfis; (3YHOGdYRjR Jhajb LGhjOs; (3ehS (B, (3g(B.(3SGfJ d(B.(3Hs ([S.N] : (3YGde GdcJH GdMOjK , s, 1967)
Keywords: (3JGQjNs; (3GdYUhQ GdhSWis; (3MVGQI GdYUhQ GdhSWis