作者: Lukáš Smerek , Milota Vetráková , Šárka Čemerková , Vojtěch Malátek
DOI: 10.3390/SU13010287
关键词:
摘要: … We conducted the questionnaire survey in 2018 and 2019 in various areas of business. We obtained the opinions of respondents from 1542 companies. In the research, we assume that …