Renovation of the Ceiling of the Kupang 3 State Elementary School Building in Sidoarjo: Renovasi Plafon Bangunan Sekolah Dasar Negeri Kupang 3 di Sidoarjo. PELS [Internet]. 2026 Oct. 30 [cited 2026 Nov. 2];10(1):1192-201. Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/2887