KLYKAILO, Vitalii. ENERGY-EFFICIENT WINDOW RESTORATION: INNOVATIVE APPROACHES TO HEAT CONSERVATION IN HISTORIC BUILDINGS. European Journal of Interdisciplinary Issues, [S. l.], v. 2, n. 4, p. 1–5, 2025. Disponível em: https://www.eujini.org.pl/index.php/journal/article/view/49. Acesso em: 20 sep. 2026.