Challenges to European Welfare Systems
Klaus Schubert, Paloma de Villota, Johanna Kuhlmann
Cham Springer International Publishing Springer, 2018
 Buku Teks
Reynolds, Mivhael A.
Shattering empires : the clash and collapse of the Ottoman and Russian empires, 1908-1918
Cambridge University Press, 2015
 Buku Teks
Ali, Shaheen Sardar
Modern challenges to Islamic law
Cambridge University Press, 2016
 Buku Teks
Gaast, Wytze van der
Challenges and solutions for climate change
[Springer, ], 2012
 eBooks
Graf, Tobias P.
The Sultan's renegades: Christian-European converts to Islam and the making of the Ottoman elite, 1575-1610
Oxford University Press, 2017
 eBooks