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Showing below up to 31 results in range #21 to #51.
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- Cobb, Stephan, McClain, & Gravemeijer (2001) 158.jpgCobb, Stephan, McClain, & Gravemeijer (2001) 158.jpg File missing
- Cobb, Stephan, McClain, & Gravemeijer (2001) 159.jpgCobb, Stephan, McClain, & Gravemeijer (2001) 159.jpg File missing
- Cobb, Stephan, McClain, & Gravemeijer (2001) 160.jpgCobb, Stephan, McClain, & Gravemeijer (2001) 160.jpg File missing
- Cobb, Stephan, McClain, & Gravemeijer (2001) 161.jpgCobb, Stephan, McClain, & Gravemeijer (2001) 161.jpg File missing
- Cobb, Stephan, McClain, & Gravemeijer (2001) 162.jpgCobb, Stephan, McClain, & Gravemeijer (2001) 162.jpg File missing
- Cobb, Stephan, McClain, & Gravemeijer (2001) 163.jpgCobb, Stephan, McClain, & Gravemeijer (2001) 163.jpg File missing
- Cobb & Yackel (1996) 175.pngCobb & Yackel (1996) 175.png File missing
- David Wees.jpg 1,200 × 900; 115 KB
- Edd Taylor.jpg 800 × 1,200; 178 KB
- Elliott et al. (2009) 364.pngElliott et al. (2009) 364.png File missing
- Elliott et al. (2009) 378.pngElliott et al. (2009) 378.png File missing
- Elliott et al. (2009) 379.pngElliott et al. (2009) 379.png File missing
- Fawn Nguyen.jpg 212 × 241; 14 KB
- Hand (2012) 233.pngHand (2012) 233.png File missing
- Hand (2012) 245.pngHand (2012) 245.png File missing
- Hand (2012) 246.pngHand (2012) 246.png File missing
- Hand (2012) 247.pngHand (2012) 247.png File missing
- Ilana Horn.jpg 1,200 × 900; 179 KB
- Jed Butler.jpg 1,200 × 800; 224 KB
- Jere Confrey.jpg 1,200 × 800; 170 KB
- Jo Boaler.jpg 1,200 × 800; 263 KB
- Kara Imm.jpg 1,098 × 1,192; 385 KB
- Kara Jackson.jpg 1,200 × 900; 165 KB
- Problemtypes.png 1,188 × 748; 235 KB
- Sfard (1991) 1.pngSfard (1991) 1.png File missing
- Sfard (1991) 34.pngSfard (1991) 34.png File missing
- Sfard (1991) 35.pngSfard (1991) 35.png File missing
- Sfard (1991) 36.pngSfard (1991) 36.png File missing
- Threedimensions.pngThreedimensions.png File missing
- Tina Cardone.jpg 1,200 × 800; 156 KB
- Van Engen CV.jpg 598 × 797; 97 KB