Muniz R de F, Muniz SM, Andriola WB, Thomaz ACF, Alijani H. Impacts of the Covid-19 Pandemic on Higher Education in Brazil: Longitudinal Analysis Using Data Envelopment Analysis. Syst. Anal. [Internet]. 2025 Dec. 25 [cited 2026 Aug. 25];3(4):261-9. Available from: https://sa-journal.org/index.php/systemic/article/view/63