Coaching Skills for Leaders in the Workplace, Revised Edition How to unlock potential and maximise performance Arnold Jackie Heftet / 2016 / Engelsk
Tomorrow's Global Leaders Today Executive Reflection: Working Wisely in Turbulent Times Arnold Jackie Heftet / 2020 / Engelsk
Making a Short Speech or Toast Practical advice, useful ideas and lots of help for anyone asked to speak in public Arnold Jackie Heftet / 2016 / Engelsk