MAMMADZADA, Mirali. Factors Causing a Decrease in Teachers’ Productivity and Hindering to Retention. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 57, n. 2, p. 186–205, 2021. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/12563. Acesso em: 18 sep. 2025.