Balakrishnan, K. (1963). Investigation into how far the common errors in fundamental operations affect the achievement in arithmatic of the pupil.
Chicago Edition CitationBalakrishnan, K. Investigation into How Far the Common Errors in Fundamental Operations Affect the Achievement in Arithmatic of the Pupil. 1963.
MLA Edition CitationBalakrishnan, K. Investigation into How Far the Common Errors in Fundamental Operations Affect the Achievement in Arithmatic of the Pupil. 1963.
Warning: These citations may not always be 100% accurate.