Alamsyah, A., R. Herlambang, R. J. Ikhwani, T. Hidayat, and W. Suwedy. “Testing of Carbon Steel Pipe and Stainless Steel Duplex Pipes of Welding Joints : A Cost and Time Perspective”. Collaborate Engineering Daily Book Series, vol. 1, no. 1, June 2023, pp. 1-12, doi:10.62012/collaborate.v1i1.2.