“Drainage System Planning for RSGM Muhammadiyah Sidoarjo: Perencanaan Sistem Drainase RSGM Muhammadiyah Sidoarjo”. Procedia of Engineering and Life Science 10, no. 1 (November 13, 2026): 2908–2917. Accessed November 15, 2026. https://pels.umsida.ac.id/index.php/PELS/article/view/2846.