Handbook of Small Satellites: Technology, Design, Manufacture, Applications, Economics and Regulation
Springer Cham, 2019
 eBooks
Pickett, K.H. Spencer
The essential handbook of internal auditing
John Wiley & Sons, 2005
 Buku Referensi
Technology and values: essential readings
Wiley-Blackwell, 2010
 Buku Teks
Meetham, Roger
Information retrieval: the essential technology
Daubteday , 1970
 Buku Teks
Robbins, Stephen P.
Fundamentals of management: essential concepts and applications
Prentice-Hall, 1998
 Buku Teks