Klasinc, Jan. “Specific Barriers for Quadruple Helix Innovation Model Development – Case of Croatia”. ENTRENOVA - ENTerprise REsearch InNOVAtion 2, no. 1 (October 31, 2016): 383–391. Accessed November 24, 2024. https://hrcak.srce.hr/ojs/index.php/entrenova/article/view/14240.