PROSES BRAZING Cu-Ag BERBAHAN BAKAR BIOGAS TERMURNIKAN. Jurnal Pengajaran Matematika dan Ilmu Pengetahuan Alam, [S. l.], v. 14, n. 2, p. 105–120, 2009. DOI: 10.18269/jpmipa.v14i2.35875. Disponível em: https://ejournal-science.upi.edu/jpmipa/article/view/386. Acesso em: 1 jul. 2026.