[Chambers, R. 1994. The origins and practice of participatory rural appraisal. - World Development, 22(7), 953-969.]Search in Google Scholar
[Sayre, R., Roca, E., Sedaghatkish, G., Young, B., Keel, S., Roca, R., Sheppard, S. 2000. Nature in Focus: Rapid Ecological Assessment. Island Press, Washington, DC, USA.]Search in Google Scholar
[Shepherd, G. 2008. The ecosystem approach: five steps to implementation. Ecosystem Management Series no. 003, Gland, IUCN Commission on Ecosystem Management.]Search in Google Scholar