Analysis of the Cost Structure of the Construction Safety Management System for School Infrastructure Projects Based on Work Breakdown Structure. Journal of Project Management Research, [S. l.], v. 1, n. 2, p. 31–46, 2025. DOI: 10.65303/journalpmresearch.v1i2.37. Disponível em: https://journalpmresearch.com/jpmr/article/view/37.. Acesso em: 27 dec. 2025.