Schutt, R. K. Investigating the social world: The process and practice of research (Ninth edition.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchutt, Russell K. Investigating the Social World: The Process and Practice of Research. Ninth edition.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSchutt, Russell K. Investigating the Social World: The Process and Practice of Research. Ninth edition.
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