Costs and Gains of Circular Labour Migration: The Case of Ukerewe and Muleba Districts, Tanzania. Tanzania Journal for Population studies and Development, [S. l.], v. 28, n. 2, p. 43–62, 2021. DOI: 10.56279/tjpsd.v28i2.126. Disponível em: http://tjpsd.udsm.ac.tz/index.php/tjpsd/article/view/126. Acesso em: 3 mar. 2026.