Extending the challenge in mathematics : developing mathematical promise in K-8 students /

Yazar: Sheffield, Linda Jensen, 1949- .
Baskı/Yayın Bilgisi 2003

Teaching mathematics to elementary school children : a foundation for the future /

Yazar: Cruikshank, Douglas E., 1941- .
Baskı/Yayın Bilgisi 1988