Gupta, C. (1973). Introduction to statistical methods/8e (8th ed.). Vikas.
Chicago Style aipamenaGupta, C.B. Introduction to Statistical Methods/8e. 8th ed. New Delhi: Vikas, 1973.
MLA aipamenaGupta, C.B. Introduction to Statistical Methods/8e. 8th ed. Vikas, 1973.
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