- Author: World World Bank
- Language: English
- Year: 2020
- Author: World Bank Group
- Language: English
- Year: 2020
- Author: Emanuela Di Gropello
- Language: English
- Year: 2010
- Author: Jesko S. Hentschel, Meltem Aran, Raif Can, Francisco H. G. Ferreira, Raif Can, Jeremie Gignoux, Arzu Uraz
- Language: English
- Year: 2010
- Author: World Bank
- Language: English
- Year: 2019
- Author: Keith Fuglie, Madhur Gautam, Aparajita Goyal, William F. Maloney
- Language: English
- Year: 2019