How the policy environment influences value chain linkages: a comparative study of cocoa and pineapple in Ghana. Pelita Perkebunan (a Coffee and Cocoa Research Journal), [S. l.], v. 34, n. 1, p. 66–78, 2018. Disponível em: https://mail.ccrjournal.com/index.php/ccrj/article/view/. Acesso em: 30 apr. 2026.