Rational number theory in the 20th century : from PNT to FLT
Wladyslaw Narkiewicz
[Springer, ], 2012
 eBooks
Inequality after the 20th century: papers from the sixth ECINEQ meeting
edited by John A. Bishop, Juan Gabriel Rodriguez
Emerald, 2017
 eBooks
Safri Nugraha, author
Privatisation of state enterprises in the 20th century a step forwards or backwards?
Institute for Law and Economics Studies, 2004
 Buku Teks
Conrad, Peter, author
Modern times, modern places: life and art in the 20th century
Thames and Hudson, 1998
 Buku Referensi
Kotter, John P., 1947-, author
Matsushita Leadership : lessons from the 20th century's most remarkable entrepreneur
Free Press, 1997
 Buku Teks