(3GdYdGbGJ GdYQHjI GdGaQjbjI (B:s (3OQGSI JGQjNjI ddGKGQ GdSdHjI ddGSJYeGQ (B/s - (3eYgO GdHMhK hGdOQGSGJ GdYQHjIs ([S.N] : (3eYgO GdHMhK hGdOQGSGJ GdYQHjI , s, 1977)
Keywords: (3JGQjNs; (3GdhWf GdYQHis; (3GdSjGSIs; (3GdYdGbGJ GdOhdjIs; (3GaQjbjGs; (3GdYUhQ GdhSWis; (3GdehGQO GdGbJUGOjIs; (3GdYUhQ GdbOjeIs