principle of proportional representation . EKI terminibaas Esterm. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//esterm/principle%20of%20proportional%20representation/1/eng (06.11.2026)
principle of proportional representation . Riigi Teataja terminisõnastik. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//rts/principle%20of%20proportional%20representation/1/eng (06.11.2026)