Art of AT’s sake. (English)
Strateg.: Math. Probl. Solving 3-13 6, No. 4, 8-11 (1996).
1
Ribbon patterns. (English)
Strateg.: Math. Probl. Solving 3-13 6, No. 5, 8-11 (1996).
2
Problems with fractions? (English)
Strateg.: Math. Probl. Solving 3-13 6, No. 5, 25-28 (1996).
3