George W. Gagnon

Designing for learning : six elements in constructivist classrooms

George W. Gagnon, Michelle Collay, Michelle Collay, 2001 .

Constructivist Learning Design: Key Questions for Teaching to Standards

George W. Gagnon, Michelle Collay, 2005 .

Learning Circles: Creating Conditions for Professional Development

George W. Gagnon, Michelle Collay, Diane M. Dunlap, 1998 .

Designing for learning : six elements in constructivist classrooms

George W. Gagnon, Michelle Collay, 2001 .