EMMEL, N. (2013). Sampling and choosing cases in qualitative research a realist approach. Sage.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEMMEL, Nick. Sampling and Choosing Cases in Qualitative Research a Realist Approach. Sage, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEMMEL, Nick. Sampling and Choosing Cases in Qualitative Research a Realist Approach. Sage, 2013.
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