PHYSICOCHEMICAL ANALYSIS AND HEAVY METAL ASSESSMENT OF SACHET WATER SOLD IN GASHUA METROPOLIS OF YOBE STATE, NIGERIA. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 7, n. 3, p. 313–317, 2023. DOI: 10.33003/fjs-2023-0703-1892. Disponível em: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/1892. Acesso em: 12 sep. 2025.