“EXTRACTION-SPECTROPHOTOMETRIC DETERMINATION OF CUPPER (II) ION WITH 1-(2-HYDROXY-1-NAPHTOYAZO)-2-NAPHTHOL-4-SULFOCID SOLUTION” (2026) International journal of artificial intelligence, 6(02), pp. 264–272. Available at: https://www.academicpublishers.org/journals/index.php/ijai/article/view/10689 (Accessed: 7 February 2026).