Zen, Humberto Davi, and Janaína Balk Brandão. “Competitiveness of Hydroponic Production of Leafy Vegetables in Brazil”. Revista de Política Agrícola 28, no. 1 (August 6, 2019): 115. Accessed September 20, 2026. https://rpa.sede.embrapa.br/RPA/article/view/1381.