Muhammad Rameez, , Muhammad Mujtaba Zafar, Sidra Khan, and Faisal Aziz. “GROUND STATE ENERGY OF HYDRO HELIUM CATION (2+) (He++H) CALCULATED BY QUANTUM MONTE CARLO METHOD”. Spectrum of Engineering Sciences, vol. 4, no. 4, Apr. 2026, pp. 852-6, https://www.thesesjournal.com/index.php/1/article/view/2495.