Browsing by Author
| Authors Name |
|---|
| Ubillus Reyes, Juan Carlos [1] |
| Ubillús Reyes, Juan Carlos [2] |
| Urbina Puma, Luis [1] |
| Urday Arias, Elizabeth [1] |
| Urday Stechmann, Jose Javier [1] |
| Uribe Cecenarro, David Vidal [1] |
| Urrutia Vargas, Jenny del Rosario [1] |
| Usedo Aguilar, Américo Juan [1] |