TOHMO, T.; LITTUNEN, H.; TANNINEN, H. Backward and forward linkages, specialization and concentration in Finnish manufacturing in the period 1995-1999. European Journal of Spatial Development, [S. l.], v. 4, n. 1, p. 27, 2006. Disponível em: http://oimplantology.org/index.php/EJSD/article/view/174. Acesso em: 19 apr. 2025.