Dr. Nikolaos Tzifakis and Tena Prelec, “From mask to vaccine diplomacy: Geopolitical competition in the Western Balkans”, in G. Fruscione, (ed.) Pandemic in the Balkans: Geopolitics and Democracy at Stake, Milan: Ledizioni Ledi Publishing, Italian Institute for International Political Studies (ISPI), 2021, pp. 12-33.