(3GdGjOR GdYQHi (B/ s - (3jhSa GOQjSs ([S.N] : (3OGQ GdeSJbHd GdYQHi , s, 1989)
Keywords: (3GdYGde GdYQHis; (3GdGMhGd GdGLJeGYjIs; (3GdGMhGd GdSjGSjIs