HARTLEY, R. Education Extension Literature for Farmers: Just how Good is it?. Australian and International Journal of Rural Education, [S. l.], v. 2, n. 1, p. 29–34, 1992. DOI: 10.47381/aijre.v2i1.268. Disponível em: https://journal.spera.asn.au/index.php/AIJRE/article/view/268. Acesso em: 24 apr. 2024.