
https://wiiw.ac.at/the-energy-transition-in-the-western-balkans-the-status-quo-major-challenges-and-how-to-overcome-them-dlp-6896.pdf

https://www.occrp.org/en/investigations/the-spoils-of-russias-trash-reforms-go-to-the-well-connected

https://sciencespo.hal.science/hal-03874282v1/file/2022_zhuravskaya_guriev_markevich_new_russian_economic_history.pdf