Developing Essential - Paperback, by Barbara Dougherty; Alfinio - Acceptable

Developing Essential Understanding of Number and Numeration in Pr

Developing Essential Understanding of Number and Numeration for Teaching...

Developing Essential Understanding of Mathematical Reasoning for Teaching - GOOD

Developing Essential Understanding of Algebraic Thinking for Teaching Mathem...

Developing Essential Understanding of Rational Numbers for Teaching Mathe - GOOD

Developing Essential Understanding of Proof and Proving for Teaching...

Developing Essential Understanding Ser.: Developing Essential Understanding...