source :[1] GERDAU S.A. - INFORMATIONS CONSOLIDÉES (https://finance.yahoo.com/news/gerdau-consoli ...)[2] GERDAU S.A. - INFORMATIONS CONSOLIDÉES - Nasdaq (https://vertexaisearch.cloud.google.com/groun ...)[3] GERDAU S.A. - INFORMATIONS CONSOLIDÉES - PR Newswire (https://vertexaisearch.cloud.google.com/groun ...)