(2 resultados)

47,42€(IVA inc.)

Focus Groups
  • Krueger, Richard A.
  • 978-1-4833-6524-4
  • 2014-11-30
22,46€(IVA inc.)

Methods for Policy Research
  • Majchrzak, Ann
  • 978-1-4129-9780-5
  • 2013-06-06