(3GdWH GdfHhi ai YdGL eQVi GdLgGR GdgVei hGdcHO (B: s (3eY edMb NGU WYGe eQVi GdLgGR GdgVei h GdcHO (B/ s - (3Ydi eDfSs ((3GdbGgQI (B: s (3GdYUQ GdMOjK ddfTQ hGdJhRjY , s, 1992)
Keywords: (3GdWH GdYQHis; (3GdWH GdfHhis; (3GdMVGQI GdGSdGejIs