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Farrell, Helen (2007) An investigation of a GIS-based methodology for the sustainable, participative management of walking routes in Ireland. PhD thesis, Dublin Institute of Technology.
Farrell, Helen and Boyle, Ken and Rybaczuk, Krysia (2006) Landscape character assessment in the Republic of Ireland. LCN News, The Landscape Character Network Newsletter, 21 . pp. 10-12. ISSN UNSPECIFIED
Farrell, Helen and Boyle, Ken and Rybaczuk, Krysia (2004) The use of GIS in establishing a trail inventory and trail-monitoring sustainability indicators. In: Environ2004: Irish Environmental Researchersï¿½ Colloquium, University of Limerick.
Munya, Andrew and Byrd, Hugh and Haarhoff, Errol (2012) Urban agriculture as an integral part of urban growth management strategies and the implications on urban form policy: the case of Auckland NZ. In: Agriculture in an Urbanizing Society: International Conference on Multifunctional Agriculture and Urban-Rural Relations‘, 1st-4th April 2012, Wangenigen, the Netherlands.
Saad, Mohammed and Datta, Surja and Papadakis, Dimitrios (2011) Innovation in global public goods: issues and challenges in provision of environment-monitoring services in Europe. Science and Public Policy, 38 (4). pp. 307-318. ISSN 0302-3427