KAZOVIC, Danijela; VALENCIC, Davorin; BESLIC, Slavko. The influence of IT certifications on project management effectiveness in the ISP sector. Crisis Management Days, Velika Gorica, Croatia, 2026. Disponível em: https://ojs.vvg.hr/index.php/DKU/article/view/829. Acesso em: 1 may. 2026.