THEORETICAL AND METHODOLOGICAL PRINCIPLES ON THE QUALITY OF PROFESSIONAL ECOLOGICAL EDUCATION IN HIGHER EDUCATION. Ecological Bulletin of Kryvyi Rih District, [S. l.], v. 6, p. 129–137, 2021. DOI: 10.31812/eco-bulletin-krd.v6i0.4566. Disponível em: https://journal.kdpu.edu.ua/ecolog/article/view/4566. Acesso em: 20 dec. 2025.