The American Chemical Society and the National Science Teachers Association have been constructing, standardizing and disseminating examinations in high school chemistry since 1953.
Iowa Science Teachers Journal
© Copyright 1977 by the Iowa Academy of Science
"© Copyright 1977 by the Iowa Academy of Science,"
Iowa Science Teachers Journal: Vol. 14
, Article 20.
Available at: https://scholarworks.uni.edu/istj/vol14/iss1/20