BELKHER, Nouria; AL-ABBAS, Aisha; ZIDAN, Mohamed. Potentiometric Studies on Stability Constant of The Complexes of Someessential Transition Metal Ions With L-Valine. Journal of Pure & Applied Sciences , [S. l.], v. 18, n. 3, p. 59–63, 2019. DOI: 10.51984/jopas.v18i3.240. Disponível em: https://sebhau.edu.ly/journal/jopas/article/view/240. Acesso em: 21 sep. 2026.