Yazar
gloria e helfand
7 cilt bulundu.
Gloria E. Helfand, Peter Berck · Ashgate Publishing
512 sayfa · 2003
Environmental policy / Economic aspects / Environmental impact charges / Environmental economics
R. 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 · Edward Elgar Publishing
550 sayfa · 2001
Irrigation farming / Environmental aspects / Water quality management
Peter Berck, Gloria E. Helfand · Taylor & Francis Group
518 sayfa · 2017
Pollution / Environmental impact charges / Environmental policy / Economic aspects / BUSINESS & ECONOMICS
Gloria E. Helfand · Wilderness Society
45 sayfa · 1982
Coal mines and mining / Economic aspects of Land use / Land use / Wilderness areas
Gloria E. Helfand · Economic Policy Dept., Wilderness Society
51 sayfa · 1983
Economic aspects of Timber / Economic conditions / Forest policy / Forest reserves / Management