Invasion of Paddy Combine Harvester (PCH) and Its Socioeconomic Impacts: A Study based on Ampara District, Sri Lanka. Academic Journal of Interdisciplinary Studies, [S. l.], v. 9, n. 5, p. 138, 2020. DOI: 10.36941/ajis-2020-0092. Disponível em: https://www.richtmann.org/journal/index.php/ajis/article/view/12206.. Acesso em: 28 apr. 2024.