![]()  | Up a level | 
    Layard, Richard 
ORCID: 0000-0002-1313-699X, Sargan, J., Ager, M. and Jones, D.
  
(1971)
Qualified manpower and economic performance: an inter-plant study in the electrical engineering industry.
      
    Allen Lane (Firm), London, UK.
     ISBN 0713902086