AHMAD, K. B.; ADAM, A. B.; BILKISU, I. A.; UMAR, F. S.; KAHTAN, A. H. Assessment of Heavy Metals in Human Scalp Hair. TROPICAL JOURNAL OF ENGINEERING, SCIENCE AND TECHNOLOGY, [S. l.], v. 3, n. 1, p. 1–7, 2024. Disponível em: http://tjest.org.ng/index.php/journal/article/view/171. Acesso em: 12 oct. 2025.