The Wisconsin Department of Natural Resources (DNR) is offering its "Recycling Study Guide" free of charge to interested educators.
Iowa Science Teachers Journal
© Copyright 1990 by the Iowa Academy of Science
Althof, Stephanie A.
"Science Notes - Wisconsin DNR Offers Recycling Information,"
Iowa Science Teachers Journal: Vol. 27
, Article 15.
Available at: https://scholarworks.uni.edu/istj/vol27/iss1/15