2022. Knowledge and attitudes about biosafety during the second semester of 2021 in the COVID-19 pandemic, in a group of teachers from schools in the metropolitan area of Bucaramanga. Journal of the Faculty of Accounting, Economics and Administrative Sciences -FACCEA. 12, 1 (Feb. 2022), 84–97. DOI:https://doi.org/10.47847/faccea.v12n1a5.