Life Intermediate with App CodeJohn Hughes, Paul Dummett, Helen Stephenson · First published 2018Open the Tome
Green Documentary Environmental Documentary Film In The 21st CenturyHelen Hughes · First published 2014Open the Tome
Life Upper IntermediatePaul Dummett, John Hughes, Helen Stephenson · First published 2012Open the Tome
Removing constraints to economic and social developmentHelen Hughes · First published 1986Open the Tome
The distribution of gains from foreign direct investment in mineral developmentHelen Hughes · First published 1974Open the Tome
Foreign investment and industrialisation in SingaporeHelen Hughes · First published 1969Open the Tome
