Introduction to social research : Quantitative and qualitative approaches.

Eitemau Tebyg

• Introduction to social research : quantitative and qualitative approaches /
  gan: Punch, Keith
  Cyhoeddwyd: (2005)
• Introduction to social research : Quantitative and qualitative approaches.
  gan: Punch, Keith F.
  Cyhoeddwyd: (2005)
• Introduction to social research : Quantitative and qualitative approaches.
  gan: Punch, Keith F.
  Cyhoeddwyd: (2005)
• Survey research the basics /
  gan: Punch, Keith
  Cyhoeddwyd: (2003)
• Research methods : Quantitative and qualitative approaches /
  gan: Mugenda, Olive M.
  Cyhoeddwyd: (1999)