Alvin, and Ahmad Khairul Faizin. “The Analysis and Evaluation of The Performance of 7 Stage Centrifugal Compressor Apparatus With Variations in Blade Speed and Flow Rate”. Jurnal Rekayasa Mesin, vol. 20, no. 2, Aug. 2025, pp. 271-8, doi:10.32497/jrm.v20i2.6642.