Sufia Kamal National Public Library Online Search for 'se,phr:"National Council of Teachers of Mathematics."'

Mathematics for elementary school teachers.

Washington : National council of teachers of mathematics, 1966 . x, 211 p. : 22 cm..

By Knopp, Konrad. . London : Blackie, 1951 . xii, 563 p. ; , Includes index. 22 cm..

By Fras, James Muirden.. London : Arthur Barker, 1964 . xiv, 318 p. : , Includes index. 20 cm..