A bibliography of recreational mathematics
| Author(s) : | Schaaf William Leonard , |
| Publisher : | Washington :National Council of Teachers of Mathematics |
| Publication Date : | 1970 |
| ISSN : | 0873530209 |
| Location : | Main, |
| Call Number : | Z6654.M3S32 |
| Author(s) : | Schaaf William Leonard , |
| Publisher : | Washington :National Council of Teachers of Mathematics |
| Publication Date : | 1970 |
| ISSN : | 0873530209 |
| Location : | Main, |
| Call Number : | Z6654.M3S32 |