Diana Lestari et al. 2025. The Role of the Extractive Sector in Non-Oil and Gas Economic Development with Regional Expenditure as a Moderating Variable in East Kalimantan. Wawasan : Jurnal Ilmu Manajemen, Ekonomi dan Kewirausahaan. 4, 1 (Jan. 2025), 214–225. DOI:https://doi.org/10.58192/wawasan.v4i1.4175.