Extending Children's Mathematics: Fractions & Decimals: Innovations In Cognitively Guided Instruction By Carpenter, Thomas P. Empson, Susan B. Levi, Linda By Thriftbooks
Young Children's Mathematics: Cognitively Guided Instruction In Early Childhood Education By Carpenter, Thomas P. Franke, Megan Loef Wager, Anita A. By Thriftbooks