Horopakha N. PROBLEMATIC SITUATION AS METHOD OF ECOLOGICAL COMPETENCE FORMATION OF SENIOR PRESCHOOL CHILDREN. pedosvita [інтернет]. 22, Жовтень 2017 [цит. за 18, Червень 2025];(27). доступний у: https://www.pedosvita.kubg.edu.ua/index.php/journal/article/view/162