Παρόμοια τεκμήρια

• An introduction to scientific research /
  ανά: Wilson, E. Bright
  Έκδοση: (1952)
• The measurement of efficiency of scientific research /
  ανά: Lipetz, Ben-Ami
  Έκδοση: (1965)
• The principles of scientific research /
  ανά: Freedman, Paul
  Έκδοση: (1960)
• Scientific social surveys and research : an introduction to the background, content, methods, principles, and analysis of social studies /
  ανά: Young, Pauline V., 1896-1977
  Έκδοση: (1960)
• Scientific method for ecological research /
  ανά: Ford, Edward David
  Έκδοση: (2000)