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Movilidad social en España (1900-1950)
Sánchez López, Franciscof, (1961)
Population increase in Korea: Its possible solution
Im, Tae-bin, (1964)
The absorption of manpower by the urban and rural sectors of Brazil : the available data and their interpretation: A warning
Kahil, Raouf, (1965)
The political economy of contemporary Africa
Gutkind, Peter Claus Wolfgang, (1976)
African social studies : a radical reader
Gutkind, Peter Claus Wolfgang, (1977)
The energy of despair : social organization of the unemployment in two African cities, Lagos and Nairobi ; a preliminary account
Gutkind, Peter Claus Wolfgang, (1967)