(3edGeM GdTNUjI GdeUQjI ai GdOQGSGJ GdHjGfjI ai GdbQf GdSGHY GdgLQi (B/ s - (3eUWai GdUGhi GdLhjfis ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddJCdja hGdfTQ , s, 1970)
Keywords: (3GdGOH GdYQHis; (3eUQs; (3JGQjNs; (3GdHdGZIs; (3GdOhdI GdGjhHjIs; (3JGQjN hfbOs