A metric handbook for teachers /  [print] 
edited by Jon L. Higgins. 
 - Reston, Virginia :  National Council of Teachers of Mathematics,  (c)1974. 
 - iv, 137 pages :  illustrations ;  25 cm. 
<br/><br/> "A mathematics education resource series project of the ERIC Information Analysis Center for Science, Mathematics, and Environmental Education, Columbus, Ohio." 
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<br/><br/><label>LCCN: </label>74013468 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metric system--Study and teaching--United States.
<br/><br/><label>LC Class. No.: </label>QC93.E68.M487 1974 QC93