MAXIMILLIAN KOLBE WIDHI WIJAYANTO; SUYONO THAMRIN; IMAM SUPRIYADI; SUBUR WAHONO. Analyzing the Impact of Mining Equipment Electrification on Energy Security in Indonesia’s Coal Mining Sector: A Strategic and Economic Assessment. International Journal of Education, Vocational and Social Science , v. 5, n. 04, p. 2489-2500, 3 Oct. 2026.