FAHAD, Fahad S.; KOC, Ibrahim. An Experimental Study to Improve Solar Heating Water Using PCM and Integrated with Helical Heat Exchanger. Basrah Journal for Engineering Sciences, [S. l.], v. 22, n. 2, p. 72–79, 2022. DOI: 10.33971/bjes.22.2.11. Disponível em: https://bjes.journalpath.com/bjes/article/view/481. Acesso em: 6 may. 2026.