@book{21721,
	author = {Szostak, Rick},
	title = {Making Sense of World History},
	url = {https://library.oapen.org/bitstream/20.500.12657/42090/3/9781000201611.pdf||https://library.oapen.org/bitstream/20.500.12657/42090/3/9781000201611.pdf}
}