Data collection in developing countries

Antzeko izenburuak

• Data collection in developing countries
  nork: Casley, D J, et al.
  Argitaratua: (1981)
• Data collection in developing countries /
  nork: Casley, D. J.
  Argitaratua: (1981)
• Data collection in developing countries
  nork: Casley, D J; Lury, D A
  Argitaratua: (1982)
• Data collection in developing countries
  nork: Casley, D J; Lury, D A
  Argitaratua: (1987)
• Data collection in developing countries /
  nork: Casley, D. J.
  Argitaratua: (1982)