SAFFA M. MASSAQUOI; PROF. ADOLPHUS JOHNSON; DR. SAFFA B. MASSAQUOI; KENNETH L. MANGOH. Productivity and Economic Analysis of Technical Efficiency of Cocoa Production in Kailahun District, Eastern Sierra Leone. International Journal of Recent Innovations in Academic Research, [S. l.], v. 6, n. 4, p. 28–47, 2022. Disponível em: https://ijriar.com/index.php/ijriar/article/view/260. Acesso em: 3 jul. 2022.