School books are notorious carriers of potentially dangerous bacteria. Books that are handed on to children in one class to their successors in the next year pose a considerable health hazard, according to the Institute for Educational Media, Frankfurt, Germany.
Iowa Science Teachers Journal
© Copyright 1975 by the Iowa Academy of Science
Iowa Science Teachers Journal: Vol. 12
, Article 6.
Available at: https://scholarworks.uni.edu/istj/vol12/iss4/6