- Author: Efstratios Grivas
- Language: English
- Year: 2022
- Author: Efstratios Grivas
- Language: English
- Year: 2012
- Author: Efstratios Grivas
- Language: English
- Year: 2020
- Author: Efstratios Grivas
- Language: English
- Year: 2020
- Author: Efstratios Grivas
- Language: English
- Year: 2020
- Author: Efstratios Grivas
- Language: English
- Year: 2020
- Author: Efstratios Grivas
- Language: English
- Year: 2019
- Author: Efstratios Grivas
- Language: English
- Year: 2020
- Author: Efstratios Grivas
- Language: English
- Year: 2020
- Author: Grivas Efstratios, Grivas Efstratios
- Language: English
- Year: 2006