Assessment of the Relationship between Heavy Metal Concentrations in Soil and Tea Leaves Grown at Amani in Tanga Region by Energy Dispersive X-Ray Fluorescence (EDXRF) . Journal of Humanities & Social Science (JHSS), [S. l.], v. 10, n. 4, 2021. DOI: 10.56279/jhss.v10i4.103. Disponível em: http://ojs3.bongotech.info/index.php/jehs/article/view/103.. Acesso em: 21 dec. 2024.