Mufarrih, A. ., Silalahi, S. K. ., & Setyowidodo, I. . (2025). Analysis Of Head Losses Consequent Section Diameter, Pipe Material and Flow Debit Using Contrast Test (Scheffe’s Method) at 900 Elbow Joint. IPTEK The Journal of Engineering, 3(3), 9–14. https://doi.org/10.12962/joe.v3i2.3081