MANDA, Damiano; MWABU, Germano. Why Do Workers Join Trade Unions?. Tanzanian Economic Review, [S. l.], v. 9, n. 2, p. 119–140, 2019. DOI: 10.56279/ter.v9i2.49. Disponível em: http://ter.udsm.ac.tz/index.php/ter/article/view/49. Acesso em: 30 may. 2026.