World debt tables : external public debt of developing countries : document of the World Bank

The World Bank research program : abstracts of current studies

World Bank atlas : population, per capita product, and growth rates

World Bank and IDA : questions and answers

The World Bank and the world environment

Water supply and sewerage

Trends in developing countries : population, economic growth, international capital flow and external debt and international trade

Trends in developing countries : global indicators, population and economic growth, social indicators, international capital flow and external debt, international trade

Transportes urbanos

Sector and project planning in transportation / Hans A. Adler