Priame referencie:
"I was satisfied with the content and with expert" - 100% hodnotenie počas školenia v T-Systems, Žriedlová 13, Košice na tému Efektívna komunikácia a zvládanie konfliktov
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Kvalita, slušnosť, ústretovosť, profesionálnosť a zodpovednosť ...
Prihlásenie
About Jan Zitniak
For over 11 years Jan Zitniak has been a professional instructor concentrating on Microsoft Office. He holds an international Microsoft Excel – Office Excel ® 2010 Expert certificate and has written several books discussing Microsoft Office.
I'm author of Microsoft Excel 2019 for beginners and intermediates book.
The information mentioned in the book comes from practical experience he obtained at such large companies as T-Systems, BSH Bosch and Siemens, Veolia, Magneti Marelli, Coavis, National Bank of Slovakia and many others.
If you like my website you can support me by buying my book on Amazon clicking here.
Certifikáty
