, K. P. S. S. U. S. A Review to Enhance the Efficiency of Double Pass Solar Air Heater. International Journal on Recent and Innovation Trends in Computing and Communication, [S. l.], v. 3, n. 2, p. 712–715, 2015. DOI: 10.17762/ijritcc.v3i2.3891. Disponível em: https://ijritcc.org/index.php/ijritcc/article/view/3891. Acesso em: 27 jul. 2024.