K. SALEH, H. The Effect of Adding Carbon (soot) to the Paint of an Absorbing Surface in Homemade Solar Systems. Rafidain Journal of Science, [S. l.], v. 23, n. 5, p. 137–143, 2012. DOI: 10.33899/rjs.2012.60013. Disponível em: https://jamh.uomosul.edu.iq/index.php/rsci/article/view/46849. Acesso em: 28 sep. 2025.