Maslen, Andy
Write copy, make money: how to build your own successful freelance copywriting business
Marshall Cavendish, 2011
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Friedmann, Julian
How to make money scriptwriting
Intellect, 2000
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Ellis, Albert
How to make yourself happy and remarkably less disturbable
Grasindo, 2005
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Collins, Gary
Successful selling : plan, present and make the sale!
Financial World, 2012
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Morris, John O.
Make yourself clear : improving business communication/ John O. Morris
McGraw-Hill , 1980
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