ATTIA, Walid A. Attia; EL-TAWEEL, Ahmed A. APPLICATION OF LEAN SIX SIGMA METHODOLOGY ON CONSTRUCTION FIELD – PART 1: DEFINE PHASE. Acta Scientiae et Intellectus, [S. l.], v. 1, n. 4, p. 46–51, 2024. Disponível em: https://www.actaint.com/index.php/pub/article/view/49. Acesso em: 5 dec. 2025.