“Renovation Work of Roof and Ceiling Structures at SMPN 1 Tulangan and SDN Masangan Wetan, Sidoarjo Regency: Laporan Magang Pekerjaan Renovasi Atap Dan Plafon Di SMPN 1 Tulangan Dan SDN Masangan Wetan Di Kabupaten Sidoarjo”. Procedia of Engineering and Life Science 10, no. 1 (November 13, 2026): 2964–2968. Accessed November 15, 2026. https://pels.umsida.ac.id/index.php/PELS/article/view/2858.