TY JOUR TI Constitutional Reforms in the Digital Era: the Iceland’s Experience KW constitution KW amendments KW constituent assembly KW referendum KW digital tools JO Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia AU Vasilieva, T.A. PY 2019 IS 2019 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION