Rocha, L. S., Santos, M. E. dos, Alencar, D. B. de, Junior, M. F., Rodriguez, I. L. R., & Nascimento, M. H. R. (2019). The 5s Program in School Spaces a Proposal For Quality Improvement.
International Journal of Advanced Engineering Research and Science,
6(7).
https://journal-repository.com/index.php/ijaers/article/view/325