Teaching mathematics to children - Swenson, Esther J. 1907- 4 0 (Esther Jeannette),16; 5 (New York : Macmillan, 1973)
Published in 1964 under title: Teaching arithmetic to children.
Bibliography: p. 547-550.
Keywords: 2 -- 0; 6; Study and teaching (Elementary) -- Mathematics -- 20; 20; 2