@book{20290,
  keywords = {Statistics, Methods and instruments, ICF, Disability, Data Collection},
  title = {Training manual on  disability statistics.},
  year = {2008},
  journal = {WHO/ESCAP Project on Health and Disability Statistics},
  pages = {250 p.},
  publisher = {World Health  Organization ;  United Nations Escap},
  address = {Geneva},
  isbn = {978-92-1-120548},
  url = {http://www.unescap.org/stat/disability/manual/Training-Manual-Disability-Statistics.pdf},
  language = {eng},
}