Kurniawan, Iwan. “The Pressure Drop for Laminar Flow in 3D Straight and Elbow Pipes Using Computational Fluid Dynamics”. Proksima 1, no. 2 (Oktober 31, 2023). Diakses Juli 6, 2024. https://proksima.ejournal.unri.ac.id/index.php/9489/article/view/16.