E.B, F.; G.E, A.; O, F. X-RAY FLOURESCENCE (XRF) ANALYSIS OF ROCK AND SOIL SAMPLES FROM A MAGNETIC INTRUSIVE ROCK IN OBA AKOKO, NIGERIA. JOURNAL OF ADVANCES IN PHYSICS, [S. l.], v. 11, n. 9, p. 4043–4053, 2016. DOI: 10.24297/jap.v11i8.219. Disponível em: https://rajpub.com/index.php/jap/article/view/219. Acesso em: 3 jul. 2024.