FITRI, M. A. .; SYAHRIYAH, F. A.; AZIZAH, Z. Nanosilica Extraction from Grumusol Soil. Journal of Research and Technology, [S. l.], v. 9, n. 1, p. 61–66, 2023. DOI: 10.55732/jrt.v9i1.964. Disponível em: https://journal.unusida.ac.id/index.php/jrt/article/view/964. Acesso em: 5 feb. 2025.