Rathnachandra SD, Malkanthi SP. Sustainable Management of Challenges in the Agri-Food Supply Chain: the Case of Upcountry Vegetable Farmers in Nuwara Eliya District, Sri Lanka. PRS [Internet]. 30 czerwiec 2025 [cytowane 6 grudzień 2025];25(2):49-68. Dostępne na: https://prs.sggw.edu.pl/article/view/10837