RATHNACHANDRA, S.D. Dilini; MALKANTHI, S.H. Pushpa. Sustainable Management of Challenges in the Agri-Food Supply Chain: the Case of Upcountry Vegetable Farmers in Nuwara Eliya District, Sri Lanka. Zeszyty Naukowe SGGW w Warszawie - Problemy Rolnictwa Światowego, [S. l.], v. 25, n. 2, p. 49–68, 2025. DOI: 10.22630/PRS.2025.25.2.8. Disponível em: https://prs.sggw.edu.pl/article/view/10837. Acesso em: 6 grudz. 2025.