Handbook of Design Research Methods in EducationAnthony E. Kelly, Richard A. Lesh, John Y. Baek · First published 2008Open the Tome
Handbook of design research methods in education : innovations in science, technology, engineering, and mathematics learning and teachingRichard A. Lesh · First published 2008Open the Tome
Foundations for the future in mathematics educationRichard A. Lesh, James J. Kaput · First published 2007Open the Tome
Handbook of Research Design in Mathematics and Science EducationAnthony Edward Kelly, Richard A. Lesh · First published 2000Open the Tome
Assessment of Authentic Performance in School MathematicsSusan J. Lamon, Richard A. Lesh · First published 1994Open the Tome
Assessment of authentic performance in school mathematicsRichard A. Lesh, Susan J. Lamon · First published 1992Open the Tome
Acquisition of Math Concepts and Processes (Developmental Psychology)Richard A. Lesh, Marsha Landau · First published 1983Open the Tome
