| U20 World Cup 1977 in Tunesien - Appearances as Referee |  |
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| 01/07/1977 | Hungary | - | Morocco | 2:0 | 2 | - | - |
| U20 World Cup 1977 in Tunesien - Appearances as Referee | |
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| 01/07/1977 | Hungary | - | Morocco | 2:0 | 2 | - | - |
| Complete name: | Arnaldo David Cézar Coelho |
| Born: | 15/01/1943 |
| Place of birth: |
Rio de Janeiro, 
Brazil |
| Nationality: |
Brazil |
| Profession: | Physiklehrer |