Multiplicacion simplificada. Sistema "Amado Cruz Cornejo"
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Col. Industrial,
1954.
Mexico : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/1B1888CA-95BB-4BF9-AE77-9B9D8ABD28E6 |