Ribeiro, João Ubaldo, 1941-
| Personal name | Ribeiro, João Ubaldo, 1941- |
| Country | Brazil |
| Language of person/corp. | Portuguese |
| CONOR.SI-ID | 19628899 |
Ribeiro, João Ubaldo, 1941- CONOR.SI-ID=19628899
| Personal name | Ribeiro, João Ubaldo, 1941- |
| Country | Brazil |
| Language of person/corp. | Portuguese |
| CONOR.SI-ID | 19628899 |
Ribeiro, João Ubaldo, 1941- CONOR.SI-ID=19628899