Social resaerch methods: qualitative and quantitative approaches /

Eitemau Tebyg

• Social research methods : qualitative and quantitative approaches
  gan: Neuman, W.Lawrence
  Cyhoeddwyd: (2008)
• Social research methods, Quantitative and qualitative approaches
  gan: Neuman, Lawrence
  Cyhoeddwyd: (2007)
• Social Research Methods: Quantitative and qualititative approaches
  gan: Neuman, W Lawrence
  Cyhoeddwyd: (2006)
• Social Research Methods: Quantitative and qualititative approaches
  gan: Neuman, W Lawrence
  Cyhoeddwyd: (2006)
• Social research methods: qualitative and quantitative approaches/
  gan: Neuman,Lawrence W.
  Cyhoeddwyd: (2015)