(3GdYbGO hGdYbGOjI (B/ s - (3LdGd GdYTQis ([S.N] : (3GdOGQ GdeUQjI GddHfGfjI , s, 1994)
Keywords: (3GdGOH GdYQHis; (3GdYUQ GdMOjKs; (3YHGS eMehO GdYbGOs