Ahmad, K. B., Adam, A. B., Bilkisu, I. A., Umar, F. S. and Kahtan, A. H. (2024) “Assessment of Heavy Metals in Human Scalp Hair”, TROPICAL JOURNAL OF ENGINEERING, SCIENCE AND TECHNOLOGY, 3(1), pp. 1–7. Available at: http://tjest.org.ng/index.php/journal/article/view/171 (Accessed: 12 October 2025).