“Super-Symmetry Quantum Factorization of Radial Schrodinger Equation for the Doubly An-Harmonic Oscillator Via Transformation to Bi-Confluent Heunas Differential Operators” (2016) Global Journal of Science Frontier Research, 16(F4), pp. 49–55. Available at: https://journalofscience.org/index.php/GJSFR/article/view/102940 (Accessed: 30 January 2026).