fatmawati fatmawati, Aries Sudiarso, J. Juprianto, and Rudy AG Gultom, “Potential application of industry 4.0 with lean six sigma in Indonesia’s defense industry: A Comprehensive Study: Potensi penerapan industri 4.0 dengan lean six sigma di industri pertahanan Indonesia: Sebuah Studi Komprehensif”, IJHESS, vol. 3, no. 2, Oct. 2023.