Robert Parkinson
- Auteur
J. Robert Parkinson is consultant, trainer en coach, gespecialiseerd in effectieve communicatie binnen grote multinationals, professionele organisaties en overheidsinstellingen.
J. Robert Parkinson is consultant, trainer en coach, gespecialiseerd in effectieve communicatie binnen grote multinationals, professionele organisaties en overheidsinstellingen.
Geschreven door Robert Parkinson
Robert Parkinson
Ecoinomics
Ecoinomics is designed to equip the reader with a full working knowledge of the global numismatic market and how it differs from country to country; it details the various factors which contribute to the value of a coin, as well as different collecting practices (such as third-party grading in the US).
Meer