@book{94126,
	author = {Singh, Dhananjay,},
	title = {Blockchain technology for smart cities /},
	publisher = {Springer,},
	year = {2020},
	series = {Blockchain technologies},
	address = {Singapore :},
	url = {https://link-springer-com.libraryumpsa.idm.oclc.org/book/10.1007/978-981-15-2205-5}
}