Kurniawan, A., Jufrizal, J., & Nurdiana, N. (2025). Process of Manufacturing Piston Displacer for Small Scale Gamma Type Stirling Engine. IRA Jurnal Teknik Mesin Dan Aplikasinya (IRAJTMA), 4(1), 1–7. https://doi.org/10.56862/irajtma.v4i1.176