mathematics, D. o. (1972). Mathematics education: Teaching numeration in the primary grade. Deparment of Mathematics Education.
Chicago Style (17th ed.) Citationmathematics, Department of. Mathematics Education: Teaching Numeration in the Primary Grade. Deparment of Mathematics Education, 1972.
MLA (8th ed.) Citationmathematics, Department of. Mathematics Education: Teaching Numeration in the Primary Grade. Deparment of Mathematics Education, 1972.
Warning: These citations may not always be 100% accurate.