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Perak Perak F.C. Perakam pita Perakaunan Perak (logam) Perak sebagai pelaburan Perak FA II Perak Tengah Perakaunan FIFO dan LIFO Perak FMRujukan
WikiPedia: Perak http://www.periodicvideos.com/videos/047.htm http://www.silversmithing.com/ http://www.theodoregray.com/PeriodicTable/Elements... http://www.pniok.de/ag.htm http://digital.library.wisc.edu/1711.dl/EcoNatRes.... http://www.silverinstitute.org/ //commons.wikimedia.org/wiki/Special:Search/silver //ms.wikiquote.org/wiki/Special:Search/silver //ms.wiktionary.org/wiki/Special:Search/silver https://www.cdc.gov/niosh/npg/npgd0557.html