SURYANI, I. .; ARYANTININGSIH, D. S. .; PARLIN, W. .; NINGSIH, K. W. .; SURYANI. Analysis of Cleanliness, Health, Safety and Environmental Sustainability Implementation in the COVID-19 Pandemic at PT. SMK Pekanbaru. Central Asian Journal of Medical and Natural Science, [S. l.], v. 2, n. 6, p. 212–218, 2021. DOI: 10.51699/cajmns.v2i6.508. Disponível em: https://cajmns.casjournal.org/index.php/CAJMNS/article/view/508. Acesso em: 2 apr. 2026.