1. Effects of Using Hand Calculators on the Attitude and Computational Skill of Children Grades Four Through Seven;Nelson;Dissertation Abstracts International,December, 1976
2. Using the Hand-held Calculator in Intermediate Grade Arithmetic;Spencer;Dissertation Abstracts International,May, 1975
3. The Effect of the Hand-held Calculator on Mathematics Achievement, Attitude, and Self-concept of Sixth Grade Students;Jones;Dissertation Abstracts International,September, 1976
4. Calculators in Elementary Schools? Some Tentative Guidelines and Questions Based on Experience;Bell;The Arithmetic Teacher,November 1976
5. Using Electronic Calculators with Elementary School Children;Scandura;Educational Technology,August, 1976