@book{6748,
	author = {IMD World Competitiveness Center},
	title = {IMD World Digital Competitiveness Ranking 2021},
	publisher = {IMD World Competitiveness Center,},
	year = {2021},
	address = {Switzerland :},
	url = {https://www.imd.org/centers/world-competitiveness-center/rankings/world-digital-competitiveness/},
}