Isada, Fumihiko, in Yuriko Isada. „An Empirical Study Regarding Radical Innovation, Research and Development Management, and Leadership“. Naše gospodarstvo/Our economy 63, no. 2 (julij 27, 2017): 22–31. Pridobljeno januar 13, 2026. https://old.journals.um.si/index.php/oe/article/view/2208.