DMAIC SIX SIGMA APPROACH IN GOLD SCRAP/WASTE MANAGEMENT PROCEDURE FOR SMES JEWELLERY INDUSTRY. Journal of Pharmaceutical Negative Results, [S. l.], p. 5775–5782, 2022. DOI: 10.47750/pnr.2022.13.S09.697. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/4757.. Acesso em: 16 jun. 2026.