http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Guidelines for evaluating computerized instructional materials
National Council of Teachers of Mathematics
26 pages : illustrations, forms ; 28 cm.
prepared by William P. Heck, Jerry Johnson, Robert J. Kansky for the Instructional Affairs Committee of the National Council of Teachers of Mathematics.