Isada, F. in Isada, Y. (2017) „An Empirical Study Regarding Radical Innovation, Research and Development Management, and Leadership“, Naše gospodarstvo/Our economy, 63(2), str. 22–31. Dostopno na: https://journals.um.si/index.php/oe/article/view/2208 (Pridobljeno: 14 marec 2026).