@book{93693,
	author = {Ahmed, Sirajuddin,},
	title = {Smart cities--opportunities and challenges :},
	publisher = {Springer,},
	year = {2020},
	series = {Lecture notes in civil engineering},
	address = {Singapore :},
	url = {https://link-springer-com.libraryumpsa.idm.oclc.org/book/10.1007/978-981-15-2545-2}
}