BRENCE, Ieva; UPENIECE, Linda. CHALLENGES FOR IMPROVING MARKETING ON LATVIAN FARMS. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 6, p. 97–104, 2018. DOI: 10.17770/sie2018vol6.3424. Disponível em: https://archive-journals.rtu.lv/sie/article/view/1908.. Acesso em: 11 mar. 2026.