Burchell, S. C., author
Age of progress
Time-Life International, 1967
 Buku Teks
Doren, Charles van, author
The idea of progress
Frederick A. Praeger , 1967
 Buku Teks
Rogers, William D., author
The twilight struggle : the Alliance for Progress and the politics of development in Latin America
Random House, 1967
 Buku Teks
Progress in life cycle assessment
Springer Cham, 2019
 eBooks
Redfiel, Robert
A village that chose progress
The University of Chicago Press, 1950
 Buku Teks
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