Manfred Lang
发表
J. Olson,
Manfred Lang,
M. Lang,
2004
.
Susan M. Drake,
J. Olson,
Manfred Lang,
2006
.
Manfred Lang,
2000
.
K. Smith,
H. Tillema,
Marcella L. Kysilka,
1999
.
Manfred Lang,
1992
.
Manfred Lang,
Manfred Lang,
2004,
Education and Information Technologies.
Manfred Lang,
John Olson,
J. Olson,
2000
.
Manfred Lang,
2001
.