World Problems /

Antzeko izenburuak

• World Problems /
  nork: Sheila Gordon
  Argitaratua: (1971)
• Labour problems. /
  nork: Watkins, Gordon S.
  Argitaratua: (1946)
• The problem of world reserves
  nork: Singh, D Bright
  Argitaratua: (1970)
• The Problem of world reserves
  nork: Singh, D Bright
  Argitaratua: (1097)
• Problems of the world economy
  nork: Bailey, Richard
  Argitaratua: (1967)