R. Mandasari, I. Indahwati, and A. Kurnia, “Multilevel Panel Data Modelling for Unemployment Rate in Indonesian”, IJSBAR, vol. 40, no. 2, pp. 99–108, Aug. 2018, Accessed: Sep. 13, 2025. [Online]. Available: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/9210