1. School Principals’ Stress Profiles During COVID-19, Demands, and Resources;Upadyaya;Front. Psychol.,2021
2. UNICEF (2022, August 05). Where Are We on Education Recovery?. Available online: https://www.unicef.org/reports/where-are-we-education-recovery.
3. UNESCO (2022, August 05). Global Monitoring of School Closures Caused by the COVID-19 Pandemic. Available online: https://covid19.uis.unesco.org/global-monitoring-school-closures-covid19/.
4. Identifying the Leadership Challenges of K-12 Public Schools During COVID-19 Disruption: A Systematic Literature Review;Parveen;Front. Psychol.,2022
5. Polish Supreme Audit Office (NIK) (2022, November 20). Functioning of Schools in the COVID-19 Threat Situation in Poland. Information on the Results of the Inspection, Registration No. 169/2021/P/21/021/KNO, Available online: https://www.nik.gov.pl/kontrole/P/21/021/.