ECKM ECKM 2021 : 22nd European Conference on Knowledge Management, ECKM 2021, virtual online, 02-03 September 2021 / zost. Alexeis Garcia-Perez, Simkin L. -- 1. vyd. -- Academic Conferences and Publishing International Limited, 2021. -- ISBN : 978-191458706-1. -- ISSN : 2048-8963. Garcia-Perez, Alexeis. Simkin L