MALEGA, Peter et al. Innovation Support and Eco-Innovation in the Slovak Republic in the Intentions of Sustainable Development. - Registrovaný: Scopus. In Polish Journal of Environmental Studies. - Olsztyn : HARD Publishing Company. ISSN 2083-5906, 2021, vol. 30, no. 4, pp. 3753-3768 online. KEGA 002TUKE-4/2020, KEGA 032EU-4/2020.