BOGOLIUBOV V, BOGOLIUBOVA N. Requirements for Professional Competence Formation of Environmentalists in the Society Transition to Sustainable Development. jetacomps [Internet]. 30 czerwiec 2017 [cytowane 5 grudzień 2025];20(2):38-45. Dostępne na: https://journals.ur.edu.pl/jetacomps/article/view/6097