Petrović, Nikolina, és Krisztián Ritter. 2021. „Overview of IPA HU-SRB Cross-Border Projects in the Agriculture Sector in Northern Part of Serbia”. Studia Mundi – Economica 8 (3): 168-79. https://doi.org/10.18531/Studia.Mundi.2021.08.03.168-179.