The Effectiveness of Lean Production Principles in Reducing Waste in Productive Institutions: An Analytical Exploratory Study in The Central Refineries Company (Al-Dora Refinery). Journal Port Science Research, [S. l.], v. 6, n. 3, p. 194–210, 2023. DOI: 10.36371/port.2023.3.3. Disponível em: https://www.jport.co/index.php/jport/article/view/150. Acesso em: 13 may. 2026.