OKPOKWU, Emmanuel Itodo. Determination of Elemental Composition of Treated Sewage Compost Used as Fertilizer in Zaria Metropolis, Nigeria, Using Instrumental Neutron Activation Analysis. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 10, n. 9, p. 240–224, 2026. DOI: 10.33003/fjs-2026-1009-5202. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/5202. Acesso em: 9 jul. 2026.