- Author: Gabriel Popescu
- Language: English
- Year: 2023
- Author: Gabriel Popescu
- Language: English
- Year: 2022
- Author: Gabriel Popescu
- Language: English
- Year: 2019
- Author: Gabriel Popescu
- Language: English
- Year: 2011
- Author: Gabriel Popescu
- Language: English
- Year: 2011