Reis, Julieta Da Silva Dos. “Initial Gas Reserve Estimation For Wells W-1, W-1A, and W-2 Based on Well Log Data in the Wailawi Field, East Kalimantan”. Journal Research of Social Science, Economics, and Management, vol. 5, no. 5, Dec. 2025, pp. 9362-9281., doi:10.59141/jrssem.v5i5.1221.