SANTOYO DE LA CRUZ, Mario Francisco et al. Effect of plant growth promoting bacteria (Medicago sativa L.) in two types of soil, copper, and compost. Acta Universitaria, [S. l.], v. 33, p. 1–14, 2023. DOI: 10.15174/au.2023.3569. Disponível em: https://www.actauniversitaria.ugto.mx/index.php/acta/article/view/3569. Acesso em: 6 may. 2026.