Social research methods : qualitative and quantitative approaches /

Eitemau Tebyg

• Social research methods : qualitative and quantitative approaches /
  gan: Neuman, W. Lawrence
  Cyhoeddwyd: (2015)
• Social research methods: Qualitative and quantitative approaches
  gan: Neuman, Lowrence W.
  Cyhoeddwyd: (2000)
• Social research methods: Qualitative and quantitative approaches
  gan: Neuman, Lowrence W.
  Cyhoeddwyd: (2000)
• Social research methods: qualitative and quantitative approaches
  gan: Neuman, W Lawrence
  Cyhoeddwyd: (1997)
• Quantitative social research methods
  gan: Singh, Kultar
  Cyhoeddwyd: (2014)