1. Putting Tanzania's hidden economy to work
:Putting Tanzania's hidden economy to work : reform, management, and protection of its natural resource sector. Washington, D.C. : The World Bank, 2008. 84 s. A World Bank country study. ISBN 978-0-8213-7462-7. ISSN 0253-2123. [Copy count : 1, currently available 1, at library only 0]