411 REFERENCE · Wiktionary
20-80 rule
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Proper noun
20-80 rule 1
en Pareto principle.
Anagrams
en 0028elru 80-20 rule
411 REFERENCE · Wiktionary
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.