International Institute for Environment and Development -London, GB, IIED,
«Proceedings of the local level adaptive planning workshop, London», vol. no. 11. International Institute for Environment and Development (IIED), London, UK, p. 86 p.: fig., tab., 1991.
International Institute for Environment and Development -London, GB, IIED,
«RRA notes : number 10», vol. no. 10. International Institute for Environment and Development (IIED), London, UK, p. 34 p. : fig., tab., 1991.
International Institute for Environment and Development -London, GB, IIED,
«RRA notes : number 12», vol. no. 12. International Institute for Environment and Development (IIED), London, UK, p. 57 p.: fig., map, 1991.