MUBAREK AWAD AHMED, KHALIFA AL-FALOOS, Mohammed.
 Determination of Lead Levels in Drinking Water in some Areas of Khartoum Cityand Gezira State, Sudan.
<strong>Global Journal of Science Frontier Research</strong>, [S.l.], oct. 2014.
ISSN 2249-4626.
Available at: &lt;<a href="https://journalofscience.org/index.php/GJSFR/article/view/1325" target="_new">https://journalofscience.org/index.php/GJSFR/article/view/1325</a>&gt;. Date accessed: 18 may 2022.