Supriadi, Bambang, Sisilia Nur Hikmah Anggraeni, Merry Khanza Kusuma Wardhany, Fadia Arisma Iswardani, Nabila Ayu Rosyidah, and Dwi Pangesti. “Probability of He+ Ion at Quantum Number 3 ≤ N ≤ 4 in Momentum Space”. Jurnal Penelitian Pendidikan IPA 10, no. 5 (May 31, 2024): 2545–2551. Accessed July 1, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/6458.