S. Beckmann
发表
Hamsa Venkat,
S. Beckmann,
Kerstin Larsson,
2018
.
S. Beckmann,
1994
.
S. Beckmann,
1989
.
Andrew Izsák,
S. Beckmann,
2022,
The Journal of Mathematical Behavior.
Andrew Izsák,
S. Beckmann,
Joy Stark,
2021,
Cognition and Instruction.
Bradley Witzel,
Jon R. Star,
Russell Gersten,
2009
.
S. Beckmann,
1991
.
Mike Askew,
J. Novotná,
M. Bussi,
2018
.
Andrew Izsák,
S. Beckmann,
2015
.
D. Alvermann,
S. Beckmann,
Elizabeth E. G. Friese,
2011
.
Andrew Izsák,
Sybilla Beckmann,
Andrew Izsák,
2019,
Educational Studies in Mathematics.
Andrew Izsák,
Sybilla Beckmann,
Torrey Kulow,
2018,
Mathematics Teaching in the Middle School.
Thomas J. Cooney,
Rose Mary Zbiek,
Gwendolyn M. Lloyd,
2010
.
Ben Clarke,
J. Star,
R. Gersten,
2009
.
Sybilla Beckmann,
S. Beckmann,
2005
.
Andrew Izsák,
S. Beckmann,
2021,
Advances in STEM Education.
Sybilla Beckmann,
Karen C. Fuson,
K. Fuson,
2013
.
Sybilla Beckmann,
S. Beckmann,
2011
.
Andrew Izsák,
S. Beckmann,
2019,
Educational Studies in Mathematics.
S. Beckmann,
1988
.
S. Beckmann,
T. Kulow,
2018
.
Sybilla Beckmann,
S. Beckmann,
2004
.