Bahri, A., I. R. Kusumasari, B. Prabowo, and R. H. Nugroho. “The Influence of Competence and Work Motivation on Employee Performance of PT PAL Indonesia”. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE), Vol. 8, no. 3, Oct. 2025, pp. 12574-80, doi:10.31538/iijse.v8i3.6876.