(3dZI GdGOGQI GdYGeI ai UOQ GdGSdGe (B/ s - (3YHOGdSejY SGde GdghQGis ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1986)
Keywords: (3GdGSdGes; (3GdGSdGe hGdGUdGM GdSjGSis; (3GdOhdIs