Dobrich, P., de Haan, G., & Scholz, G. (1985). Environmental education in Germany: Problems, trends & illusions. Regional Institute of Higher Education and Development.
Chicago Style aipamenaDobrich, Peter, Gerhard de Haan, and Gerold Scholz. Environmental Education in Germany: Problems, Trends & Illusions. Singapore: Regional Institute of Higher Education and Development, 1985.
MLA aipamenaDobrich, Peter, et al. Environmental Education in Germany: Problems, Trends & Illusions. Regional Institute of Higher Education and Development, 1985.
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