Horkavchuk, O. “Project Approach to the Upbringing of Children of Elementary School Age Within the Сoncept of The New Ukrainian School (NUS)”. Problems of Engineer-Pedagogical Education, no. 61 (April 25, 2019): 65–73. Accessed October 16, 2025. http://jped.uipa.edu.ua/index.php/JPED/article/view/239.