International Conference on the Organization of Research and Training in Africa in Relation to the Study, Conservation and Utilization of Natural Resources. Lagos, July 28-August 6, 1964

Ижил төстэй зүйлс

• Nature conservation
  -н: Yuri Sinyakov
  Хэвлэсэн: (1983)
• Nature and resources.
• Nature and resources
  Хэвлэсэн: (1997)
• Outline of a Plan for Scientific Research and Training in Africa
  Хэвлэсэн: (1964)
• Natural resources and development
  Хэвлэсэн: (1985)