Silva, Givanildo, Cibele Martins, Tatiane Jeromini, Francisco Élder Pereira, e Riselane Bruno. 2019. “Production Regions, Physical and Physiological Quality of Brachiaria Brizantha Cv. BRS ‘Piatã’ Seeds”. Revista Ciência Agronômica 50 (4). https://periodicos.ufc.br/revistacienciaagronomica/article/view/84873.