Sequeira, Anthony
Interconnecting cisco network devices, part 1 (ICND1) foundation learning guide
Cisco Press, 2013
 Buku Teks SO
Tiso, John
Interconnecting cisco network devices, part 2 (ICND2) foundation learning guide
Cisco Press, 2014
 Buku Teks SO
Sears, Francis Weston, 1898-1975
University physics, part 1
Addison-Wesley , 1982
 Buku Teks SO
Carlson, Arthur E.
College accounting part 1
South-Western Publishing , 1982
 Buku Teks
Resnick, Robert, 1923-2014
Physics, part 1
John Wiley & Sons, 1966
 Buku Teks SO