Kostytsky, Vasyl. “Ensuring Ecological Safety or Ensuring a Favorable Environment: Theoretical and Legal Justification of the Function of a Modern Ecological State”. Journal of Vasyl Stefanyk Precarpathian National University 5, no. 2 (August 23, 2018): 25–32. Accessed January 31, 2025. https://personnel.pnu.edu.ua/index.php/jpnu/article/view/3517.