| Hierachy-based methodology for producing educational contents with maximal reutilization | 61 |
| 11 / 2012 | 12 / 2012 | 01 / 2013 | 02 / 2013 | 03 / 2013 | 04 / 2013 | 05 / 2013 | |
| Hierachy-based methodology for producing educational contents with maximal reutilization | 1 | 3 | 3 | 4 | 3 | 4 | 3 |
| 1 | Pedraza_131_plc.pdf | 185 |
| 1 | Spain | 39 |
| 2 | United States of America | 10 |
| 3 | United Kingdom | 4 |
| 4 | Germany | 2 |
| 5 | Taiwan | 2 |
| 6 | Bolivia | 1 |
| 7 | China | 1 |
| 8 | France | 1 |
| 9 | Japan | 1 |
| 1 | Barcelona | 30 |
| 2 | Girona | 3 |
| 3 | Atlanta | 2 |
| 4 | Madrid | 2 |
| 5 | New York | 2 |
| 6 | Premiá De Mar | 2 |
| 7 | Beijing | 1 |
| 8 | Lleida | 1 |
| 9 | Mountain View | 1 |
| 10 | Pamplona | 1 |