- Author: Ignas Kalpokas, Julija Kalpokienė
- Language: English
- Year: 2022
- Author: Ignas Kalpokas
- Language: English
- Year: 2019
- Author: Ignas Kalpokas
- Language: English
- Year: 2021
- Author: Ignas Kalpokas
- Language: English
- Year: 2017
- Author: Ignas Kalpokas
- Language: English
- Year: 2019
- Author: Ignas Kalpokas
- Language: English
- Year: 2019