Ślęzak, Mikołaj, and Michał Jagielski. “Manifestations and Measures of Frugal Innovations”. Journal of Corporate Responsibility and Leadership 5, no. 4 (January 10, 2020): 81–104. Accessed April 25, 2024. https://apcz.umk.pl/JCRL/article/view/JCRL.2018.024.