- Internet:
- Various United Nations (UN) agencies, organisations and projects:
- UNESCO: http://www.unesco.org/new/es/unesco
- UNICEF: http://www.unicef.es
- ONU – Water: http://www.unwater.org/discover_es.html
- United Nations Environment Programme: http://www.pnuma.org
- UN Millennium Development Goals , MDGs: http://www.un.org/spanish/millenniumgoals
- Basque Immigration Observatory, Ikuspegi: http://www.ikuspegi-inmigración.net
- Spain's Office for National Statistics, INE: http://www.ine.es
- Basque Office for Statistics, EUSTAT: http://www.eustat.es/idioma_c/indice.html#axzz1wFoqtxSo
- Emakunde: http://www.emakunde.euskadi.net/u72-home/es
- Various United Nations (UN) agencies, organisations and projects:
- Laws passed by the Basque government establishing the curriculum for the third cycle of Primary Education and its basic competences
- Textbooks for years 5 and 6 in Primary Education from different publishers.
- Diccionario de Acción Humanitaria y Cooperación al Desarrollo, Karlos Perez de Armiño, Bilbao: Icaria; Hegoa 2000
