Singh,Jaspal. (2001). Methodology and techniques of social research. Kanishka publishing house.
Chicago Stili AlıntıSingh,Jaspal. Methodology and Techniques of Social Research. New Delhi: Kanishka publishing house, 2001.
MLA AlıntıSingh,Jaspal. Methodology and Techniques of Social Research. Kanishka publishing house, 2001.
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