Schultz, David
The andromeda galaxy and the rise of modern astronomy
Springer, 2012
 eBooks
Baker, Robert H.
Astronomy
D. Van Nostrand, 1964
 Buku Teks
Ali, Shaheen Sardar
Modern challenges to Islamic law
Cambridge University Press, 2016
 Buku Teks
Modern piracy : legal challenges and responses
edited by Douglas Guilfoyle
Edward Elgar, 2013
 Buku Teks
Bambang Soembodo
Challenges of modern technology and organizational changes / Bambang Soembodo
 Buku Teks