edited by Vikas Mittal
John Wiley & Sons, 2013
Buku Teks
Hakkarainen, Minna, editor
Springer, 2012
eBooks
Young, Robert J., author
Chapman and Hall, 1980
Buku Teks
Inzelt, Gyorgy, author
Springer, 2012
eBooks
Bernhard Rieg, editor
Springer, 2012
eBooks