Afidah, Z., 		Supriadi, B., & 		Handayani, R.
(2025).
 Expectation and Uncertainty of Helium Ion (He^+ ) Electron Position in the Position Space Wave Function at Quantum Numbers n ? 4.
<em>BULETIN FISIKA, 26</em>(1), 88 – 95.
doi:10.24843/BF.2025.v26.i01.p11