Breiting, S. (2005). Quality criteria for ESD-Schools: Guidelines to enhance the quality of education for sustainable development. Vienna, Austria.
Trích dẫn kiểu ChicagoBreiting, Soren. Quality Criteria for ESD-Schools: Guidelines to Enhance the Quality of Education for Sustainable Development. Vienna, Austria, 2005.
Deismireacht MLABreiting, Soren. Quality Criteria for ESD-Schools: Guidelines to Enhance the Quality of Education for Sustainable Development. Vienna, Austria, 2005.
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