(3af GdehfJGL GdSjfeGFi (B/ s - (3GMeO GdMVQis; (3QGjS, cGQjds; (3ejdGQ(B, (3LGafs; (3GMeO cGed eQSis ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1987)
Keywords: (3GdSjfeGs; (3GdGNQGL GdSjfeGFis