@article{387627,
      author = {Khandker, Shahidur R. and Koolwal, Gayatri B. and Samad,  Hussain A.,},
      url = {http://library.usi.edu/record/387627},
      title = {Handbook on impact evaluation: quantitative methods and  practices /},
      publisher = {World Bank,},
      recid = {387627},
      pages = {xx, 239 p.},
      address = {Washington, DC :},
      year = {2010},
}