Hands-on Math and Literature with MathStart / Grades 1-2 (Level 2)Don S. Balka · First published 2006Open the Tome
Mathematics activities for home schooling with Unifix cubesDon S. Balka · First published 1994Open the Tome
The development of an instrument to measure creative ability in mathematicsDon S. Balka · First published 1974Open the Tome