(3GdMQcI GdTYQjI ai GdSYhOjI MSf YHO Gddg GdbQTi MjGJg hGOHg (B/ s - (3UdGM YOSs ([S.N] : (3ecJHI eOHhdi , s, 1991)
Keywords: (3GdTYQ GdYQHis; (3OhGhjf hbUGFOs; (3GdSYhOjIs; (3GdGOHGAs