Relationship between sustainable strategies and export performance: an analysis of companies in the brazilian gems and jewelry industry - Palma, Eliete Pozzobon; Gomes, Clandia Maffini; Kruglianskas, Isak; Kneipp, Jordana Marques; Rosa, Luciana Aparecida Barbieri da; Frizzo, Kamila (Environmental Quality Management, 2018)