Sri Purwaningsih, Febri Berthalita Pujaningsih, Neneng Lestari, and Cindi Lasmana, “Theoretical Study of Angular Momentum in Quantum Mechanics”, IJSBAR, vol. 67, no. 1, pp. 23–40, Jan. 2023, Accessed: Sep. 13, 2025. [Online]. Available: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/14991