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Impacts on water consumption and welfare effects from appliances selection & pricing policies under an increasing block pricing structure in the residential sector 智库项目
2017
负责人:  Alpízar, Francisco;  Woubishet, Dawit;  Medhin, Haileselassie;  Cardenas, Helena
收藏  |  浏览/下载:4/0  |  提交时间:2019/06/26
Biofuels trade and sustainable development: The case of Ecuador 智库出版物
2007
作者:  Maria Amparo Alban;  Helena Cardenas
Adobe PDF(1111Kb)  |  收藏  |  浏览/下载:2/0  |  提交时间:2019/11/08
A Contentious U.S. – Andean Free Trade Agreement: Do It Right, or Not At All 智库出版物
2005
作者:  Helena Cardenas;  Katherine Vyborny
收藏  |  浏览/下载:1/0  |  提交时间:2020/06/11