Gupta, C. B., & Ratna, V. (1973). Statistical calculations (3rd ed.). Vikas Publishing House Pvt. Ltd.
Chicago Edition CitationGupta, C. B., and V. Ratna. Statistical Calculations. 3rd ed. New Delhi: Vikas Publishing House Pvt. Ltd, 1973.
MLA citiranjeGupta, C. B., and V. Ratna. Statistical Calculations. 3rd ed. Vikas Publishing House Pvt. Ltd, 1973.
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