Instruction in arithmetic.
Gorde:
| Erakunde egilea: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Washington, D.C. :
National Council of Teachers of Mathematics,
1960.
|
| Saila: | Yearbook (National Council of Teachers of Mathematics) ;
25th. |
| Gaiak: |
| Alearen deskribapena: | Includes index. |
|---|---|
| Deskribapen fisikoa: | viii, 366 p. : ill. ; 24 cm. |
| Bibliografia: | Bibliography: p. 320-354. |