https://nahriazizah.files.wordpress.com/2015/04/makalah-pengolahan-timah-dan-aluminium.pdfhttp://intranet.tekmira.esdm.go.id/litbang/filesmenteri/Draft%20LA%20Tim%20Sianidasi%20Intensif%20Sis.%20Cus.%20Plant%202013,%20rev%205%20Mar%202014.pdfhttp://digilib.its.ac.id/public/ITS-Undergraduate-32053-2709100087-chapter1.pdfhttp://ardra.biz/sain-teknologi/mineral/pengolahan-mineral/pemisahan-secara-flotasi/mekanisme-pemisahan-mineral-dalam-sel-flotasi/http://ardra.biz/sain-teknologi/mineral/pengolahan-mineral/pemisahan-secara-flotasi/http://ardra.biz/sain-teknologi/mineral/pengolahan-mineral/pemisahan-magnetik-magnetic-separation/Joko Prasetyo .http://www.jayamineral.com/?Artikelwww.jayamineral.compemisahan_logamhttp://rizkimartarozi.blogspot.co.id/2011/04/gravity-concentration.htmlFitri Noviyanti. http://lovelypidh.blogspot.co.id/2012/11/v-behaviorurldefaultvmlo.htmlhttp://arsipteknikpertambangan.blogspot.co.id/2010/06/humprey-spiral.htmlhttp://ardra.biz/sain-teknologi/mineral/pengolahan-mineral/proses-reduksi-bijih-besi-pembuatan-sponge-besi-pada-rotary-kiln-tanur-putar/http://ardra.biz/sain-teknologi/mineral/pengolahan-mineral/pengolahan-bijih-emas-dan-perak/