MUSTAPHA MUKHTAR; K. I. OMONIYI; FAIZUAN ABDULLAH. Optimization and Validation of a spectrophotometric Method for Trace Metal Quantification in Zarara Hill Ore, Kaduna State, Nigeria. Ethiopian Journal of Natural and Computational Sciences , [S. l.], v. 5, n. 1, p. 703–712, 2025. Disponível em: https://journal.uog.edu.et/index.php/EJNCS/article/view/1098. Acesso em: 2 jul. 2025.