Rakhmangulov AN, Orekhova NN, Osintsev NA. The concept of developing competences system in the field of suistanble development. Журнал Белорусского государственного университета. Экология. 2018;(3):11-19. Accessed July 19, 2026. https://journals.bsu.by/index.php/ecology/article/view/2592