Martins, António Santos. “Management of COVID-19 During Lockdown and Reopening of Schools: An Experience Case under COVID-19 in Portugal”. Archives of Business Research 10, no. 10 (November 10, 2022): 176–189. Accessed December 5, 2024. http://558368.fgnqrw60.asia/index.php/ABR/article/view/13350.