1. We alt ist der Kapitan?;Baruk,1989
2. The crucial role of the didactical contract in the analysis and construction of situations in teaching and learning mathematics;Brousseau,1984
3. Contextual considerations in the solution of children's multiplication and division word problems;Caldwell,1995
4. Results of the third NAEP mathematics assessment: Secondary school;Carpenter;Mathematics Teacher,1983
5. The culture of mathematics and the culture of schools;Davis;Journal of Mathematical Behavior,1989