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Foundations of productivity analysis : guides to economic theory and managerial control
Gold, Bela, (1955)
Economic applications of the theory of graphs
Avondo Bodino, Giuseppe, (1962)
Mežduotraslov balans na obštestvenite razchodi na trud
Dočev Ivanov, Ivan, (1968)
Automation, the guaranteed wage and hours of work
Burtle, James, (1957)
La automatización y el salario garantizado
Burtle, James, (1959)
Equilibrating the foreign exchange market
Burtle, James, (1974)