References
- Blum , N. 2008 . Environmental education in Costa Rica: Building a framework for sustainable development? . International Journal of Educational Development , 28 : 348 – 58 .
- Manteaw , B.O. 2009 . People, places, and cultures: Education and the cultural politics of sustainable development . International Journal of Development Education and Global Learning , 1 ( 2 ) : 5 – 24 .