SISWANTO; KURNIATI, E. . KARAKTERISTIK SILIKA POWDER BERBASIS BATUAN TRAS DENGAN PROSES EKSTRAKSI DAN PRESIPITASI. Journal of Research and Technology, [S. l.], v. 6, n. 1, p. 50–55, 2020. DOI: 10.55732/jrt.v6i1.140. Disponível em: https://journal.unusida.ac.id/index.php/jrt/article/view/140. Acesso em: 4 mar. 2024.