Title: Effect of a dynamic geometry learning environment on preservice elementary teachers' performance on similarity tasks
Description: <a href="http://uf.catalog.fcla.edu/uf.jsp?st=UF029541721&ix=pm&I=0&V=D&pm=1" rel="nofollow">http://uf.catalog.fcla.edu/uf.jsp?st=UF029541721&ix=pm&I=0&V=D&pm=1</a>