AL- MOFTI, Braa Waled; AL- AZRAK, Abdulkder. Spectrophotometric Determination of Ni+2 by 3- ((2- Hydroxyphenyl) imino) indolin- 2- one. Journal of natural sciences, life and applied sciences, New Mexico, United States, v. 5, n. 2, p. 100–91, 2021. DOI: 10.26389/AJSRP.B280221. Disponível em: https://ajsrp.ojsexpert.com/index.php/jnslas/article/view/3752. Acesso em: 20 dec. 2025.