Kleih, U., Greenhalgh, P. and Oudwater, N. (2003) A guide to the analysis of fish marketing systems using a combination of sub-sector analysis and the sustainable livelihoods approach. Natural Resources Institute, Chatham, UK. ISBN 0-85954-522-0

Ashok, M.S., Clucas, I.J., Greenhalgh, P., Oudwater, N., Salagrama, V., Supkar, R. and Vivekanandan, V. (2001) Report of inception workshop on globalisation and seafood trade legislation: The impact on poverty in India. Report. Natural Resources Institute, Chatham, UK.