@book{3293,
	author = {Shereen Hafez Ibrahim and Mona Ismail Riad , },
	title = {Bonding mechanism of giomer to enamel and dentin with and without pre - etching / },
	publisher = {Shereen Hafez Ibrahim , },
	year = {2007},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}