Towards Sustainable Development In Industry?: Reports From Seven Developing And...; Ed. By Ralph A. LukenRalph Andrew Luken, Paul Hesp · First published 2003Open the Tome
Environment and industry in developing countriesRalph Andrew Luken, Frank Van Rompaey · First published 2007Open the Tome
Reorganization in the Michigan Department of Conservation 1945-1964Ralph Andrew Luken, University of Michigan. School of Natural Resources. · First published 1964Open the Tome
