Pasaribu, Ernawati, Dominicus Savio Priyarsono, Hermanto J Siregar, and Ernan Rustiadi. “Multipolarity Effects of Growth Centers Between Kalimantan and Other Major Islands in Indonesia: Can It Diminish Inter-Island Disparity?”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 24, no. 2 (September 16, 2015): 403–416. Accessed September 11, 2025. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/4487.