Aji , A. P., G. Bahari, F. E. W. Winarto, and B. D. Prihadianto. “Fabricating And Analyzing The Pressure and Rpm Performance of Hydraulic Swing Components on A Mini Excavator Trainer”. Jurnal Teknologi Dan Rekayasa Alat Berat, Vol. 1, no. 1, Feb. 2024, pp. 11-18, doi:10.22146/jtrab.v1i1.8929.