Sustainability Analysis of Coffee Farming in Protected Forestof West Lampung Based on Enviromental Economic Value. Pelita Perkebunan (a Coffee and Cocoa Research Journal), [S. l.], v. 26, n. 1, 2010. Disponível em: https://mail.ccrjournal.com/index.php/ccrj/article/view/117. Acesso em: 1 may. 2026.