RAHMADI. Characteristics of silica in mountain area tapa and sorrounding areas of Tulang Bawang Regency Lampung Province. Journal of Engineering and Scientific Research, [S. l.], v. 7, n. 2, p. 83–96, 2025. Disponível em: https://jesr.eng.unila.ac.id.121-50-32-50.cpanel.site/index.php/ojs/article/view/204. Acesso em: 15 jan. 2026.