Hannania، V.، و Shahin، H. (2010). Direct Molecular Detection of Stomach Ulcer Causing Bacteria "Helicobacter Pylori" in Water Resources, Foods and Beverages Served at Cafeterias in and Around Bethlehem University. مجلة جامعة بيت لحم، مج29 ، 46 - 47. مسترجع من http://search.mandumah.com/Record/1558731
Hannania، Vida، و Hashem Shahin. "Direct Molecular Detection of Stomach Ulcer Causing Bacteria "Helicobacter Pylori" in Water Resources, Foods and Beverages Served At Cafeterias in and Around Bethlehem University." مجلة جامعة بيت لحم مج29 (2010): 46 - 47. مسترجع من http://search.mandumah.com/Record/1558731