RAZA , S.; NAVEED ALI; MUHAMMAD RAZA; ADEEL; ZAHEER UDDIN. Treatment of Perturbation in Energy Levels using Hypothetical Perturbers: A Case Study of Mg X. Jordan Journal of Physics , [S. l.], v. 19, n. 2, p. 159–185, 2026. Disponível em: https://jjp.yu.edu.jo/index.php/jjp/article/view/411. Acesso em: 14 jul. 2026.