Sianturi, T. 2021. Analisa Pipa Heat Exchanger (Cooling Tube) Bervariasi Pada Turbine Guide Bearing Pembangkit Listrik Tenaga Air Siguragura. SPROCKET JOURNAL OF MECHANICAL ENGINEERING. 2, 2 (Feb. 2021), 49-62. DOI:https://doi.org/https://doi.org/10.36655/sproket.v2i2.313.