salum salum kombo, suleiman suleiman ameir, kimaro E, Chuma F. Assessment of heavy metal concentration in ipomoea batatas and spinach consumed in Zanzibar by Energy Dispersive X-ray Fluorescence (EDXRF). Braz. J. Rad. Sci. [Internet]. 2021 Jun. 25 [cited 2024 Dec. 25];9(2). Available from: https://bjrs.org.br/revista_33014/index.php/REVISTA/article/view/1656