Firdian, Muhamad. “Proses Pembuatan Baja Ringan Di CV. Muara Nusantara”. Jurnal Ilmiah Wahana Pendidikan 9, no. 1 (January 10, 2023): 259-263. Accessed March 31, 2023. https://jurnal.peneliti.net/index.php/JIWP/article/view/3458.