HABTEMARIAM, A. G.; DÜVEL, G. H. Towards a more situation appropriate and responsive extension approach for Ethiopia. South African Journal of Agricultural Extension, [S. l.], v. 33, n. 1, p. 52–63, 2005. DOI: 10.4314/sajae.v33i1.3661. Disponível em: https://www.ajol.info/index.php/sajae/article/view/3661. Acesso em: 14 oct. 2026.