//-->
Introduction to quantitative methods in economics
James, David E., (1973)
Introduction to mathematical economics
Casson, Mark, (1973)
A textbook of econometrics
Klein, Lawrence Robert, (1974)
Aggregate excess demand, spare capacity and the foreign trade of the United Kingdom, 1954 - 64
Bridge, John L., (1966)
Applied econometrics
Bridge, John Leslie, (1971)