Gupta, S. (2007). Research Methodology and statistical Techniques. Deep &Deep Publishers.
शिकागो स्टाइल उद्धरणGupta, Santhosh. Research Methodology and Statistical Techniques. New Delhi: Deep &Deep Publishers, 2007.
एमएलए उद्धरणGupta, Santhosh. Research Methodology and Statistical Techniques. Deep &Deep Publishers, 2007.
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