| Europa League 1970/1971 - Appearances as Referee |  |
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| 25/11/1970 | TJ Spartak TAZ Trnava | - | 1. FC Köln | 0:1 | - | - | - |
| Europa League 1970/1971 - Appearances as Referee | |
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| 25/11/1970 | TJ Spartak TAZ Trnava | - | 1. FC Köln | 0:1 | - | - | - |
| Complete name: | Nikola Mladenović |
| Born: | |
| Place of birth: |
Croatia |
| Nationality: |
Croatia |