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Audio recording: The interactive lesson covers Dutch bulbs planted in the fall, such as tulips, daffodils, crocus, and, hyacinth for spring bloom. Cleveland Public Schools Horticul...
Classroom teacher information packet for Green Thumb Club radio lesson "Flowering Dutch Bulbs and Easter Plants," 1975
Nicole Hollenbach / Klaus-Jürgen Tillmann (Hrsg.): Teacher Research and School Development. German Approaches and International Perspectives. Opladen: Barbara Budrich 2011 (256 S.)...
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