Yazar: Jr. Richard E. Bonney

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1 Ebooks tarafından Jr. Richard E. Bonney

Janis L. Dickinson & Jr. Richard E. Bonney: Citizen Science
Citizen science enlists members of the public to make and record useful observations, such as counting birds in their backyards, watching for the first budding leaf in spring, or measuring local snow …
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€190.68