referendums held on voting system

URI: https://gptkb.org/prop/referendums_held_on_voting_system
3 triples
GPTKB property
Random triples
Subject Object
gptkb:New_Zealand_House_of_Representatives_elections 1993
gptkb:New_Zealand_House_of_Representatives_elections 2011
gptkb:New_Zealand_House_of_Representatives_elections 1992