Supriadi B, Mardhiana H, Kristiawan WI, Kamalia D, Sari IK. Expected Value of Helium Ion Electron Momentum in Momentum Space with Primary Quantum Numbers n≤3. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2023 Oct. 25 [cited 2025 Jul. 23];9(10):8467-72. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/3861