Angelsen, Arild; Sumaila, Ussif Rashid. <br/><br/>
Hard methods for soft policies: Environmental and social cost-benefit analysis. 

 - Bergen :  Chr. Michelsen Institute,  1995. 
<br/><br/> This article is based on a study on how to integrate sustainability concern in project appraisal of development projects. It argues that it is impossible to formulate any unified and operational definition of sustainability applicable to project appraisal. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Project Appraisal.<br/>Cost-benefit analysis -- Sustainable development//environmental economics/.--Cost-benefit analysis -- Sustainable development//environmental economics/.