@article {alnaggar2019crowdsourced,
	title = {Crowdsourced Delivery: A Review of Platforms and Academic Literature},
	journal = {Omega},
	year = {2019},
	pages = {102139},
	publisher = {Elsevier},
	author = {Alnaggar, Aliaa and Gzara, Fatma and Bookbinder, James H}
}
