The Sociological perspective: introductory readings
edited Scott G. Mcnall
Little, Brown, 1968
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Lin, Nan
Foundations of social research
McGraw-Hill, 1976
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Smith, H.W.
Strategies of social research : the methodological imagination
Prentice-Hall, 1981
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Nan, Ling
Conducting social research
McGraw-Hill, 1976
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Law and development : The future of law and development research / Report of the Research Advisory Committee on Law and Development of the International Legal Center
Distributed by Almqvist & Wiksell International, 1974
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