Social research method: The art of scientific investigation

Eitemau Tebyg

• Art of scientific investigation /
  gan: Beveridge W. I. B.
  Cyhoeddwyd: (1950)
• Art of scientific investigation /
  gan: Beveridge, W. I. B.
  Cyhoeddwyd: (1950)
• Social research method: the art of scientific investigation/
  gan: Kumar A
  Cyhoeddwyd: (1997)
• Scientific method and social research
  gan: Ghosh, B N
  Cyhoeddwyd: (1997)
• Scientific method and social research
  gan: Ghosh, B. N.
  Cyhoeddwyd: (1984)