00337nam 2220739 450000100060000000300230000600500090002900800410003808200080007902000180008710000150010526000190012025000060013924500480014520739StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a808 a0-582-85247-1 aBrian Howe bLONGMAN c1988 a2 aPortfolio case studies for business English