Aids for teaching science :
a suggested checklist for assessing a science program.
APA Citation
United States. Bureau of Educational Research and Development. (1964). Aids for teaching science: a suggested checklist for assessing a science program. Rev. [Washington]: [Govt. Prtg. Off].
MLA Citation
United States. Bureau of Educational Research and Development. Aids for Teaching Science: a Suggested Checklist for Assessing a Science Program. Rev. [Washington]: [Govt. Prtg. Off], 1964.
Warning: These citations may not always be complete (especially for serials).