PERFORMANCE SIMULATION OF A NATURAL CIRCULATION SOLAR AIR HEATER WITH PHASE CHANGE MATERIAL ENERGY STORAGE. Nigerian Journal of Technology, [S. l.], v. 33, n. 1, p. 104–113, 2014. DOI: 10.4314/njt.331.755. Disponível em: https://nijotech.com/index.php/nijotech/article/view/755. Acesso em: 16 apr. 2026.