Oliveira, Carlos Eduardo da Silva, et al. “Leaf Inoculation of Azospirillum Brasilense and Trichoderma Harzianum in Hydroponic Arugula Improve Productive Components and Plant Nutrition and Reduce Leaf Nitrate”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], vol. 52, July 2022, p. e72755, https://teste.revistas.ufg.br/pat/article/view/72755.