Bruno Silva E. J. Solteiro Pires Arsénio Reis Paulo B. de Moura Oliveira João Barroso 0001 Students Drop Out Trends: A University Study. 442-450 2020 TECH-EDU https://doi.org/10.1007/978-3-030-73988-1_36 conf/techedu/2020 db/conf/techedu/techedu2020.html#SilvaPRO020