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Capital, labour, migrations
Bolaria, Bhopinder S., (1997)
Social classes in classical and Marxist political economiy
Milios, John, (2000)
Capitalism as socialism: defence of socialism in the socialist calculation debate revisited, a Marxian approach
Chattopadhyay, Paresh, (2000)
A REFUTATION OF THE COMMODITY EXPLOITATION THEOREM
Fujimoto, Takao, (2008)
A further note on a correct economic interpretation of the Hawkins-Simon conditions
Fujita, Yukihiko, (1991)