Carlson, S., Heimlich, J., Storkdieck, M., & Meyer, N. (2009). Best practices for field days : assessment tool and observation protocol. University of Minnesota Extension Service. Publication 08653.
This material is based upon work sponsored by the National Science Foundation under the REESE Grant No. DRL-#0635559.
Carlson, Stephan; Heimlich, Joe; Storksdieck, Martin; Meyer, Nathan.
Best practices for field days : Assessment tool and observation protocol.
St. Paul, MN: University of Minnesota Extension Service.
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