HOANG, G. H. Adoption of mobile phone for marketing of cereals by smallholder farmers in Quang Dien District of Vietnam. Journal of Agricultural Extension, [S. l.], v. 24, n. 1, p. 106–117, 2020. DOI: 10.4314/jae.v24i1.11. Disponível em: https://www.ajol.info/index.php/jae/article/view/192816. Acesso em: 5 sep. 2026.