Long, Eleanor M. (Eleanor Margaret)2006-12-282006-12-2819891989http://hdl.handle.net/2440/19054Typescript (Photocopy)Bibliography: leaves 370-397iii, 397 leaves : ill ; 30 cm.286739 bytesapplication/pdfen512/.00712 20Algebra Study and teaching (Secondary)Problem solving in high-school algebra : a theory-based approach to classroom practice / by Eleanor M. LongThesis