(3chN GdYe Jhe GhMjGI GdeYPHjf Ydi GdGQV (B/ s - (3SJGh, gGQHjJ JHjTQs ([S.N] : (3GdecJHI GdKbGajI , s, 1987)
Keywords: (3GdbUU GdGfLdjRjI GdeJQLeIs; (3GdGOH GdGfLdjRis