Satterthwaite, D. Urban Myths and the Mis-use of Data that Underpin them. UNU-WIDER, Helsinki, Finland (2010) 15 pp. ISBN 978-92-9230-263-4 (WIDER Working Paper No. 2010/28)
Nabangchang, O. . 2014. A review of the legal and policy framework for payments for ecosystem services (PES) in Thailand : 30p.. CIFOR Working Paper No. 148. Bogor, Indonesia: Center for International Forestry Research (CIFOR). http://dx.doi.org/10.17528/cifor/004928
CTA. 1999. Pratique des SIG pour l'environnement, la gestion des ressources naturelles et la gestion urbaine. Spore 82. CTA, Wageningen, The Netherlands.