Pal Singh N, Sorout A. Exploratory Analysis of Cost of Covid-19 Vaccines in India- Revised version. Industrija [Internet]. 03. Maj 2023. [citirano 20. Septembar 2026.];50(3/4):7-35. Dostupno na: https://test.aseestant.ceon.rs/index.php/industrija/article/view/40213