THE IMPACT OF HEAT STORAGE MATERIAL INTEGRATION IN AN EVACUATED TUBE COLLECTOR: Original scientific paper. Chemical Industry & Chemical Engineering Quarterly, [S. l.], v. 32, n. 2, p. 99–109, 2025. DOI: 10.2298/CICEQ241024014R. Disponível em: https://www.ache-pub.org.rs/index.php/CICEQ/article/view/1501. Acesso em: 16 dec. 2025.