Robuta

https://www.muni.cz/vyzkum/publikace/2395078

https://www.kth.se/en/om/upptack/kalender/dirty-coal-industrial-populism-as-purification-in-poland-s-mining-heartland-1.1100059?date=2021-10-01&orgdate=2021-06-08&length=1&orglength=207

https://notesfrompoland.com/2020/02/22/government-agrees-pay-rise-for-miners-to-end-protests-over-imported-russian-coal/

https://www.kth.se/en/om/upptack/kalender/dirty-coal-industrial-populism-as-purification-in-poland-s-mining-heartland-1.1100059?date=2021-10-01&orgdate=2021-06-03&length=1&orglength=212

https://notesfrompoland.com/2021/06/29/polish-opposition-party-proposes-paying-coal-miners-not-to-work/