http://air.eng.ui.ac.id/index.php?title=File:Friction-Dh.PNG&feed=atom&action=historyFile:Friction-Dh.PNG - Revision history2024-03-29T00:37:51ZRevision history for this page on the wikiMediaWiki 1.30.0http://air.eng.ui.ac.id/index.php?title=File:Friction-Dh.PNG&diff=33381&oldid=prevIkhsanul ff at 08:15, 24 April 20202020-04-24T08:15:29Z<p></p>
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