Chris Roche. Social Impact Assessment for Development Agencies: Learning to Value Change. UK: Oxfam, 1999. £ 9.95. 308 pages. PDR [Internet]. 1999 Sep. 1 [cited 2025 Oct. 26];38(3):pp.309-311. Available from: https://thepdr.pk/index.php/pdr/article/view/1622