ARIUSNI; SENTOSA, S. U. . Analysis of differences in Knowledge of Maize Farmers Who Are Given Training About Corn Marketing in Corn Production Centers in West Sumatra Province. European Journal of Economics, [S. l.], v. 2, n. 1, p. 51–65, 2022. DOI: 10.33422/eje.v2i1.142. Disponível em: https://diamondopen.com/journals/index.php/eje/article/view/142. Acesso em: 15 oct. 2025.