Husin, Andriati Amir, and Rudi Setiadji Agustiningtyas. “Pengaruh Penambahan Foam Agent Terhadap Kualitas Bata Beton”. Jurnal Permukiman 3, no. 3 (September 3, 2008): 172–182. Accessed September 1, 2026. //jurnalpermukiman.pu.go.id/index.php/JP/article/view/207.