Manik, Terang UHSG., M. Rinkanto, and A. Zulkifli. “Design and Construction of the Triple-Layer Counter Flow Concentric Tube”. Jurnal Sistem Teknik Industri 24, no. 1 (January 25, 2022): 124-136. Accessed April 25, 2024. https://talenta.usu.ac.id/jsti/article/view/7210.