Hansen, Harry L.
Marketing text, techniques, and cases
Richard D. Irwin, 1968
 Buku Teks
Hansen, Harry L.
Marketing, text, cases and readings
Richard D. Irwin, 1964
 Buku Teks
Hansen, Harry L.
Marketing: a text, cases and readings
Richard D. Irwin, 1956
 Buku Teks
Haas, Robert W
Industrial marketing management
Kent, 1982
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The marketing of industrial products / edited by Norman Hart
McGraw-Hill c, 1984
 Buku Teks