NIKOLIĆ, Ljubica. STATE AID AND FAIR COMPETITION. COLLECTION OF PAPERS, FACULTY OF LAW NIŠ, [S. l.], n. 88, p. 71–92, 2020. DOI: 10.5937/zrpfn0-26740. Dostupno na: https://asistent.ceon.rs/index.php/zrpfn/article/view/26740. Pristupljeno: 12 jul. 2026.