(3GdWad hGddZI hfeh GdJeKjdGJ GdOdGdjI GdGaYGd ai GddZI GdYQHjI YfO GdWad GdcJGH GdKGfi (B. / s - (3GdZGdi GMQTGhs ([S.N] : (3GdeQcR GdKbGai GdYQHi , s, 1993)
Keywords: (3Yde GdfaS GddZhis