Educators interested in exchanging 35mm slides, tapes or learning packets can list their contributions in a free quarterly publication of Science Educators Media Exchange Service.
Iowa Science Teachers' Journal
© Copyright 1972 by the Iowa Academy of Science
"Science Educators Media Exchange Service,"
Iowa Science Teachers Journal: Vol. 9
, Article 8.
Available at: https://scholarworks.uni.edu/istj/vol9/iss3/8