HANS, V. S.; SINGH, Sukhmeet; GILL, R. S. Thermal and Thermo-hydraulic Performance of Packed Bed Solar Air Heater. Journal of Agricultural Engineering, India, v. 51, n. 1, 2014. Disponível em: https://epubs.icar.org.in/index.php/JAE/article/view/44414. Acesso em: 6 jun. 2026.