Zablodska, I., Hrechana, S., & Zablodska, D. (2020). The Identification of the Luhansk Region and the Region Act’s According to the Qualification of Their Sustainable Development in the Conditions of the Joint Forces Operation. Problemy Ekorozwoju, 15(1), 197–210. https://doi.org/10.35784/pe.2020.1.21