Não informado. (1970). Journal for Research in Mathematics Education. National Council of Teachers of Mathematics.
Chicago Style (17th ed.) CitationNão informado. Journal for Research in Mathematics Education. Reston, Va: National Council of Teachers of Mathematics, 1970.
MLA (8th ed.) CitationNão informado. Journal for Research in Mathematics Education. National Council of Teachers of Mathematics, 1970.
Warning: These citations may not always be 100% accurate.