Social research method : qualitative and quantitative approaches /

Eitemau Tebyg

• Social research methods : qualitative and quantitative approaches /
  gan: Neuman, William Lawrence, 1950-
  Cyhoeddwyd: (2006)
• Social research methods /
  gan: Bryman, Alan
  Cyhoeddwyd: (2012)
• Approaches to social research /
  gan: Singleton, Royce
• Social research methods : qualitative and quantitative approaches /
  gan: Neuman, William Lawrence, 1950-
  Cyhoeddwyd: (1997)
• Research design : qualitative, quantitative, and mixed methods approaches /
  gan: Creswell, John W.
  Cyhoeddwyd: (2014)