UDC 338 Production of wealth production. Trend of economy economic situation BS 1000(338) 1970

Eitemau Tebyg

• BS1000[338]: 1970 UDC production /
  gan: British Standards Institution
  Cyhoeddwyd: (1984)
• UDC 339 Distribution, conservation and consumption of wealth BS 1000(339) 1970
  gan: British standards Institution
  Cyhoeddwyd: (1970)
• BS1000[687]: 1970 UDC /
  gan: British Standards Institution
  Cyhoeddwyd: (1970)
• BS1000[674]: 1970 UDC /
  gan: British Standards Institution
  Cyhoeddwyd: (1970)
• BS1000[655]: 1970 UDC graphic /
  gan: British Standards Institution
  Cyhoeddwyd: (1970)