ALBANA, Ali; DAHDA, Said Salim. Improving the Quality of Boiler Feed Water Based on the PDCA Cycle by Integrating Seven Tools . Daengku: Journal of Humanities and Social Sciences Innovation, [S. l.], v. 3, n. 6, p. 907–915, 2023. DOI: 10.35877/454RI.daengku2113. Disponível em: https://qemsjournal.org/index.php/daengku/article/view/2113. Acesso em: 24 may. 2026.