| Authors Name |
|---|
| Ramos Martel, Walter Antonio [1] |
| Ráez Guevara, Luis Rolando [1] |
| Reyes Perfecto, Heriberto [1] |
| Rivera Poma, Juan Manuel [1] |
| Roca Becerra, Jorge Luis [1] |
| Rojas Albán, Franco [1] |
| Rojas Castro, José Luis [1] |
| Rosales Lopez, Pedro Pablo [1] |
| Rosales Urbano, Victor Genaro [1] |