Twisk, Jos W.R.
Applied multilevel analysis: a practical guide
Cambridge University Press, 2006
 Buku Teks
Handbook of Advanced Lighting Technology
Springer Cham, 2019
 eBooks
Handbook of Advanced Nondestructive Evaluation
Springer Cham, 2019
 eBooks
Lenk, John D.
Handbook of advanced troubleshooting
Prentice-Hall, 1983
 Buku Referensi
Bradley, Phil
The Advanced internet searcher's handbook
Facet Publishing, 2004
 Buku Teks SO