Aopik, Agus, and Bambang Arip Dwiyantoro. “Numerical Study of Reducer Modification With Adjuster Opening Variations on Turbine Lube Oil Pipe”. The International Journal of Mechanical Engineering and Sciences, vol. 7, no. 1, July 2025, pp. 17-25, doi:10.12962/j25807471.v7i1.12065.