SARAGIH , J. R. . Socioeconomic and Ecological Dimension of Certified and Conventional Arabica Coffee Production in North Sumatra, Indonesia. Asian Journal of Agriculture and Rural Development, [S. l.], v. 3, n. 3, p. 93–107, 2013. Disponível em: https://archive.aessweb.com/index.php/5005/article/view/664. Acesso em: 24 nov. 2024.