Gupta, S. K. (2011). Business research methodology: Methods, tools and techniques. Kalyani.
Chicagoスタイル(17版)引用形式Gupta, Shashi K. Business Research Methodology: Methods, Tools and Techniques. New Delhi: Kalyani, 2011.
MLA(9版)引用形式Gupta, Shashi K. Business Research Methodology: Methods, Tools and Techniques. Kalyani, 2011.
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