van Gejeka, Nataļja, and Svetlana Ignatjeva. “Students’ Integrative Collaboration in the Early Youth in the Educational Establishments of the Construction Professional Direction”. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 1 (May 9, 2015): 425–436. Accessed May 3, 2024. https://journals.ru.lv/index.php/SIE/article/view/62.