Not as Expected. Performance and Understanding Mathematical Concepts: A Comperative study of Grades 1-3 Blind and Sighted Learners

Citation:

Ndonye, F., 2012. Not as Expected. Performance and Understanding Mathematical Concepts: A Comperative study of Grades 1-3 Blind and Sighted Learners, Saabrucken, Germany: LAP LAMBERT Academic Publishing.