Theory and Practice of Command and Control in Environmental PolicyPeter Berck, Gloria E. Helfand · First published 2017Open the Tome
The theory and practice of command and control in environmental policyGloria E. Helfand, Peter Berck · First published 2003Open the Tome
Environmental policy analysis for decision makingGloria E. Helfand · First published 2001Open the Tome
Irrigated agriculture and the environmentR. M. Adams, D. W. Bromley, Bonnie G. Colby, A. Dinar, Gloria E. Helfand, R. E. Howitt, K. Segerson, M. Weinberg, R. A. Young, D. Zilberman · First published 2001Open the Tome
Timber economics and other resource values--the Bighorn-Weitas roadless area, IdahoGloria E. Helfand · First published 1983Open the Tome