MIRMANTO, M. Effect of a Pipe Number on The Heat Transfer Rate For a Granit Stone Absorber Solar Collector. MECHANICAL, [S. l.], v. 7, n. 2, 2016. DOI: 10.23960/mech.v7i2.600. Disponível em: http://journal.eng.unila.ac.id/index.php/mech/article/view/600. Acesso em: 4 nov. 2025.