Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /home/clients/b010bcc84441ff7c5adbaf4e922effaa/web/mom/module/creator/view-inc.php on line 134
Andreas Obersteiner
Deprecated: htmlspecialchars_decode(): Passing null to parameter #1 ($string) of type string is deprecated in /home/clients/b010bcc84441ff7c5adbaf4e922effaa/web/mom/module/creator/view-inc.php on line 247
Large-scale studies in mathematics education research
2019
in: Traditions in German-speaking mathematics education research, Dordrecht : Springer
