http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
analysis of three elementary science programs in the design of a competency-based pre-service elementary science education program
a dissertation presented by Barry A. Kaufman.
Microfilm. Ann Arbor, Mich. : University Microfilms, 1972. 1 microfilm reel : positive ; 35 mm.
Thesis [Ed.D.]--University of Massachusetts, 1972.