Kusuma, Michael, and Brigitha Mega Rebeca. “Not All Sectors Are Equal: LQ and DLQ Reveal Pangkalpinang’s True Economic Driver”. Indonesian Journal of Islamic Economics Research 7, no. 2 (December 31, 2025). Accessed January 23, 2026. https://ejournal.uinsalatiga.ac.id/index.php/ijier/article/view/5502.