1. Handbook on impact evaluation
:KHANDKER, Shahidur R. - KOOLWAL, Gayatri B. - SAMAD, Hussain A. Handbook on impact evaluation : quantitative methods and practices. Washington, D.C. : The World Bank, 2010. 239 s. ISBN 978-0-8213--8028-4. [Copy count : 1, currently available 0, at library only 1]