The study of society : methods and problems
edited by F.C. Bartlett
Kegan Paul, Trench, 1946
Buku Teks
Mathematical models and methods in marketing / edited by Frank M. Bass ... [et al.]
Richard D. Irwin, 1961
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The Study of society: An integrated anthology / edited, with introduction by Peter I. Rose
Random House, 1967
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Research methods: society now
edited by Patrick McNeill
Routledge , 2003
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Nilsson, Nils J.
Problem-solving methods in artificial intelligence
McGraw-Hill, 1971
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