@book{83910,
	author = {Eman Hussein Reda Mahmoud and Ali Mahmoud Elhalwany , },
	title = {A comparative chemical and biological investigation of selected species from the genus centaurea growing in Egypt / },
	publisher = {Eman Hussein Reda Mahmoud , },
	year = {2021},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}