@incollection{icrisat3814,
          editor = {B Shiferaw and H A Freeman and S M Swinton},
       booktitle = {Natural resource management in agriculture: methods for assessing economic and environmental impacts},
           title = {Towards comprehensive approaches in assessing NRM impacts: what we know and what we need to know},
       publisher = {CAB International},
         address = {Wallingford, Oxon, UK},
          author = {S M Swinton and B Shiferaw and H A Freeman},
           pages = {361--275},
            year = {2005},
             url = {http://oar.icrisat.org/3814/},
        abstract = {This chapter synthesizes the conceptual, methodological and empirical issues for evaluating the impacts of natural resource management (NRM) technology and policy interventions. It offers insights on key lessons, policy conclusions, knowledge gaps, and areas that need further research}
}