D. Wirwana, Muhammad Nur Aidi, and Anwar Fitrianto, “Analysis of Factors Affecting District/City GRDP in Kalimantan Island”, IJSBAR, vol. 64, no. 1, pp. 131–148, Oct. 2022, Accessed: Sep. 11, 2025. [Online]. Available: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/14582