Is it More Profitable to Sell Ground Coffee? Differential Cost Analysis of Robusta Coffee Farms in Tanggamus District. Pelita Perkebunan (a Coffee and Cocoa Research Journal), [S. l.], v. 35, n. 1, p. 59–69, 2019. Disponível em: https://mail.ccrjournal.com/index.php/ccrj/article/view/351. Acesso em: 30 apr. 2026.