- Author: Mariana Raykov
- Language: English
- Year: 2005
- Author: Mariana Raykov
- Language: English
- Year: 2005
- Author: Ivan Tchomakov
- Language: English, Bulgarian
- Year: 2000
- Author: Ivan Tchomakov
- Language: English, Bulgarian
- Year: 2000
- Author: Shaista Wahab
- Language: Dari / Farsi / Persian - English
- Year: 2004
- Author: Shaista Wahab
- Language: Dari / Farsi / Persian - English
- Year: 2004
- Author: Anna Kudyma, Frank Joseph Miller, Olga Kagan
- Language: English
- Year: 2010
- Author: Jane Wightwick Mahmoud Gaafar
- Language: English, Arabic
- Year: 2009
- Author: Jane Wightwick Mahmoud Gaafar
- Language: English, Arabic
- Year: 2008
- Author: Rinku Bhattacharya
- Language: English
- Year: 2021