1.
ŚLĘZAK, Mikołaj & JAGIELSKI, Michał. Manifestations and Measures of Frugal Innovations. Journal of Corporate Responsibility and Leadership [online]. 10 January 2020, T. 5, nr 4, s. 81–104. [accessed 2.12.2021]. DOI 10.12775/JCRL.2018.024.