ALI J. S. ALRAFADI. An Investigation Of a Solar Water Heater Using a Double-Walled Absorbent Spherical Tank and Solar Gravity For Thermal Operation. المجلة الأفروآسيوية للبحث العلمي (AAJSR), Libya, v. 2, n. 3, p. 305–312, 2024. Disponível em: https://aajsr.com/index.php/aajsr/article/view/200.. Acesso em: 22 2024.