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Direct marketing : strategy, planning, execution
Nash, Edward L., (2000)
BizTalk : implementing business to business e-commerce
Kobielus, James G.,
Permission-Marketing macht Kunden süchtig
Schwarz, Torsten, (2000)
How to write proposals and reports that get results : [master the skills of business writing]
Jay, Ros, (2000)
Decision : gather the facts, weigh up the options, make the right choice
Jay, Ros, (2001)
How to build a great team
Jay, Ros, (2003)