WASEEM MUSHTAQ; AYESHA MANZOOR; KHADIJA RIAZ. Impact of Production Planning, Preventive Maintenance, and Safety Compliance on Operational Efficiency in Chemical Manufacturing Plants. Journal of Humanities, Health and Social Sciences , Pakistan, PK., v. 2, n. 3, p. 96–113, 2024. Disponível em: https://www.jhhss.com/index.php/jhhss/article/view/38. Acesso em: 30 aug. 2025.