Aggarwal, R. S. (1997). Objective arithmetic: Numerical ability tests. S.Chand & Co..
Chicago Style aipamenaAggarwal, R. S. Objective Arithmetic: Numerical Ability Tests. New Delhi: S.Chand & Co., 1997.
MLA aipamenaAggarwal, R. S. Objective Arithmetic: Numerical Ability Tests. S.Chand & Co., 1997.
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