MALKANTHI, S. P. Outlook of Present Organic Agriculture Policies and Future Needs in Sri Lanka. Zeszyty Naukowe SGGW w Warszawie - Problemy Rolnictwa Światowego, [S. l.], v. 21, n. 3, p. 55–72, 2021. DOI: 10.22630/PRS.2021.21.3.13. Disponível em: https://prs.sggw.edu.pl/article/view/2434. Acesso em: 30 wrz. 2022.