Jubir, Juwandariah, and Harun Alrasyid. “Assessing Regional Economic Conditions Prior to Expansion in Luwu Raya: Evidence from the Williamson Index and Klassen Typology”. Jurnal Ekonomi, Akutansi Dan Manajemen Nusantara, vol. 5, no. 1.1, Aug. 2026, pp. 185-93, doi:10.55338/jeama.v5i1.1.1249.