Gupta, S. (2021). Statistical Methods (46th.). Sultan Chand & Sons.
Cita Chicago (17th ed.)Gupta, S.P. Statistical Methods. 46th. NEw Delhi: Sultan Chand & Sons, 2021.
Cita MLA (9th ed.)Gupta, S.P. Statistical Methods. 46th. Sultan Chand & Sons, 2021.
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