DESAIN MESIN PENYEDOT AIR PADA SISTEM FILTER LIMBAH PENAMBANGAN TIMAH BERBASIS TENAGA SURYA DAN ANGIN. PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE, [S. l.], v. 4, 2021. DOI: 10.33019/snppm.v4i0.2181. Disponível em: https://journal.ubb.ac.id/index.php/snppm/article/view/2181. Acesso em: 12 apr. 2026.