References
- Fien , J. 1933 . Education for the Environment: Critical Curriculum Theorising and Environmental Education , Geelong : Deakin University Press .
- Huckel , J. and Sterling , S. 1996 . Education for Sustainability , London : Earthscan .
- Orr , D. 1992 . Ecological Literacy: Education and the Transition to a Postmodern World , London : SUNY Press .