Foster, Dennis L.
Sales and marketing for the travel professional / Dennis L. Foster
Glencoe , 1993
 Buku Teks
Foster, Dennis L.
Sales and marketing for the travel professional / Dennis L. Foster
Glencoe, 1993
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Readings in the regulation of business / edited, Sidney M. Blumner, Dennis L. Hefner
International Textbook Company, 1968
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Dougan, Dennis L.
Book-keeping and accounts for elementary and intermediate students / by Dennis L. Dougan
Sweet & Maxwell , 1951
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Netter's infectious diseases /edited by Elaine C. Jong, Dennis L. Stevens
edited by Elaine C. Jong, Dennis L. Stevens
Elsevier Saunders, 2012
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