SZAJT, M. Estimation of Disproportions in Patent Activity of OECD Countries Using Spatio-Temporal Methods. Dynamic Econometric Models, [S. l.], v. 9, p. 91–98, 2009. DOI: 10.12775/DEM.2009.009. Disponível em: https://apcz.umk.pl/DEM/article/view/DEM.2009.009. Acesso em: 19 jul. 2024.