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Sequence 9596 MATHEMATICS Calvert, Patty. (1972). Memory game variation. The Constructive Triangle, ~. 19, ( l). Joosten, A. M. (… |
Sequence 97Wa~~nschein, Martin. (1960). The teaching of mathematics--A tragedy. Paper presented at the 12th International Montessori… |
Sequence 10396 MATHEMATICS Calvert, Patty. (1972). Memory game variation. The Constructive Triangle, ~. 19, ( l). Joosten, A. M. (… |
Sequence 105Wa~~nschein, Martin. (1960). The teaching of mathematics--A tragedy. Paper presented at the 12th International Montessori… |