(3ebOeI ai OQGSIGdGJLGgGJ GdacQjI hGdSjGSjI ai Gdjef ajeG Hjf GdbQf GdKGdK hGdNGeS GdgLQi (B/ s - (3GMeO YHOGddg YGQas ([S.N] : (3GdeDSSI GdMOjKI ddcJGH , s, 1991)
Keywords: (3GdJGQjN GdGSdGeis; (3GdGSdGe ai Gdjefs