Data collection by Bryan Moore etc. /

Eitemau Tebyg

• Research design. /
  Cyhoeddwyd: (1974)
• Critical method in historical research and writing. /
  gan: Hockett, Homer Carey
  Cyhoeddwyd: (1961)
• Introduction to research. /
  gan: Hillway, Tyrus
  Cyhoeddwyd: (1964)
• Elements of research. /
  gan: Whitney, Frederick Lamson
  Cyhoeddwyd: (1954)
• Methods of research. /
  gan: Good, Carter V.