Nouar D, Popovics PA. Efficiency analysis of apple and grape producers: A case study of Hungarian SMEs’ producing apples and grapes in 2021. Studia Mundi – Economica [Internet]. 29. Dezember 2023 [zitiert 5. Dezember 2025];10(4):32-46. Verfügbar unter: https://journal.uni-mate.hu/index.php/stm/article/view/4759