On the theory and measurement of technologicl change /

Eitemau Tebyg

• Economic and technologicl environments 3 /
  gan: Gennard, John
  Cyhoeddwyd: (1976)
• Technologicl parameters in agricultural production function /
  gan: Singh, Sita Ram
  Cyhoeddwyd: (1986)
• On the theory and measurement of technological change /
  gan: Brown, Murray
  Cyhoeddwyd: (1968)
• On the theory and measurement of technological change /
  gan: Brown, Murray
  Cyhoeddwyd: (1968)
• On the theory and measurement of technological change
  gan: Brown, Murray
  Cyhoeddwyd: (1966)