Sharma, Subhash
John Wiley & Sons, 1996
Buku Teks
Raykov, Tenko, author
Routledge, Taylor & Francis Group, 2008
Buku Teks
Hardle, Wolfgang Karl, author
Springer, 2012
eBooks
Johnson, Richard A., author
Pearson Education International, 2007
Buku Teks
Le, Chap T., author
Wiley, 2010
Buku Teks