Maas Geesteranus, Chris

Learning to change the future : a bird's-eye view of the history of the IUCN Commission on Education and Communication

2011 Cerovsky, J. (Jan) | Hesselink, Frits | Maas Geesteranus, Chris |

Planning environmental education : a step or a stride forward? A compilation of introductions and lectures of the conferences : Strategic planning in environmental education..., Strategic planning in environmental education for the school system

1996 Maas Geesteranus, Chris |
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