Armstrong, Michael, $2 1928- (pengarang). (2017). How to be an even better manager : a complete A-Z of proven techniques and essential skills / Michael Armstrong. New York :; © Michael Armstrong, 2017: Kogan Page,.
Armstrong, Michael, $2 1928- (pengarang). How to be an even better manager : a complete A-Z of proven techniques and essential skills / Michael Armstrong. New York :; © Michael Armstrong, 2017: Kogan Page,, 2017
Armstrong, Michael, $2 1928- (pengarang). How to be an even better manager : a complete A-Z of proven techniques and essential skills / Michael Armstrong. New York :; © Michael Armstrong, 2017: Kogan Page,, 2017.