The Danish Turn Towards Dual Citizenship

https://www.austriaca.at/8775-2

https://www.austriaca.at/?arp=0x003c6ffe

Ersbøll, E, 'The Danish Turn Towards Dual Citizenship' in Bauböck, R. and Haller, M., Dual Citizenship and Naturalisation, Vienna: Verlag der Österreichischen Akademie der Wissenschaften, 2021, 157-182 (Peer-reviewed).

Research on equal treatment
Research on foreigners