Clements, M. A. (1980). Careless errors made by sixth-grade children on written mathematical tasks. Mathematics Education Centre, Papua New Guinea University of Technology.
Chicago Style (17th ed.) CitationClements, M. A. Careless Errors Made by Sixth-grade Children on Written Mathematical Tasks. Lae: Mathematics Education Centre, Papua New Guinea University of Technology, 1980.
MLA (9th ed.) CitationClements, M. A. Careless Errors Made by Sixth-grade Children on Written Mathematical Tasks. Mathematics Education Centre, Papua New Guinea University of Technology, 1980.
Warning: These citations may not always be 100% accurate.