@article {alnaggar2021crowdsourced,
	title = {Crowdsourced delivery: A review of platforms and academic literature},
	journal = {Omega},
	volume = {98},
	year = {2021},
	pages = {102139},
	publisher = {Pergamon},
	author = {Alnaggar, Aliaa and Gzara, Fatma and Bookbinder, James H}
}
