Preparation of New Nano-Enhanced Phase Change NePCMs by Modifying Paraffin Wax with Both Nano Fe2O3 and Silver-Coated Nano Fe2O3 and Studying Their Effect on the Efficiency of the Photovoltaic System . Cuestiones de Fisioterapia, [S. l.], v. 54, n. 5, p. 895–905, 2025. DOI: 10.48047/83ez0j40. Disponível em: https://cuestionesdefisioterapia.com/index.php/es/article/view/3291.. Acesso em: 20 sep. 2025.