Hungerford, Harold R.

An environmental education approach to the training of middle level teachers : a prototype programme

1990 Marcinkowski, Thomas | Volk, Trudi L. | Hungerford, Harold R. | Kronholm, Martha |

A prototype environmental education curriculum for the middle school : a discussion guide for Unesco training seminars on environmental education

1989 Hungerford, Harold R. | Ramsey, John M. |

Strategies for the training of teachers in environmental education : a discussion guide for Unesco training seminars on environmental education

1987 Wilke, Richard J. | Peyton, Robert Ben | Hungerford, Harold R. |

Procedures for developing an environmental education curriculum : a discussion guide for Unesco training seminars on environmental education

1986 Hungerford, Harold R. | Peyton, Robert Ben |

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