Firdaus, Adrian, Yohanes Dwi Adianto, Zulkifli Sitompul, and Antonius Trianto. “Kajian Produktivitas Instalasi Rangka Atap Baja Ringan: Studi Kasus Di Bandung, Indonesia”. Jurnal Ilmiah Rekayasa Sipil 17, no. 2 (October 27, 2020): 106-112. Accessed April 29, 2024. http://ejournal2.pnp.ac.id/index.php/jirs/article/view/376.