Gurao, R. (2015). Sampling Methods. Chandralok Prakashan.
Chicago-čujuhus (17. p.)Gurao, Rajendra. Sampling Methods. Kanpur: Chandralok Prakashan, 2015.
MLA-čujuhus (9. p.)Gurao, Rajendra. Sampling Methods. Chandralok Prakashan, 2015.
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