Karol Media, in cooperation with a grant from Phillips Petroleum, has made several videotapes available to schools on a free-loan/free duplication program.
Iowa Science Teachers Journal
© Copyright 1989 by the Iowa Academy of Science
Althof, Stephanie A.
"Science Notes - Free-loan and Free Duplication Video Cassettes,"
Iowa Science Teachers Journal: Vol. 26
, Article 17.
Available at: https://scholarworks.uni.edu/istj/vol26/iss1/17