MSAFIRI, M.S.; KUNDI, B.A.T. Quality problems facing Tanzanian industrial Firms. Tanzania Journal of Engineering and Technology, [S. l.], v. 18, n. 1, p. 120–131, 1994. DOI: 10.52339/tjet.v18i1.167. Disponível em: https://tjet.udsm.ac.tz/index.php/tjet/article/view/167. Acesso em: 15 dec. 2025.