Hens, L. Concepts and trends in environmental education for sustainable development. Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie.
Chicago Style (17th ed.) CitationHens, Luc. Concepts and Trends in Environmental Education for Sustainable Development. Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie.
MLA (9th ed.) CitationHens, Luc. Concepts and Trends in Environmental Education for Sustainable Development. Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie.
Warning: These citations may not always be 100% accurate.