History: Pareto principle Edit Classic editor History Back to page | View logs for this page Browse history From year (and earlier): From month (and earlier): all January February March April May June July August September October November December Deleted only For any version listed below, click on its date to view it. For more help, see Help:Page history. (cur) = difference from current version, (prev) = difference from preceding version, m = minor edit, → = section edit, ← = automatic edit summary (cur | prev) 11:02, December 25, 2011 Dr Joe Kiff (Talk | contribs) . . (17,856 bytes) (+13,217) . . (update wp) (undo) (cur | prev) 23:47, December 11, 2006 Dr Joe Kiff (Talk | contribs) . . (4,639 bytes) (+4,639) . . Retrieved from "http://psychology.wikia.com/wiki/Pareto_principle"