AKHYAR, Mahmud; 						PRANOTO, Siswo; 						MALAU, Muhammad Fadlan.
 Performance Analysis of a Horizontal Axis Spiral Type of Solar Collector Made of Copper Pipe on Solar Energy Absorption.
<strong>Journal of Ocean, Mechanical and Aerospace -science and engineering-</strong>, [S.l.], v. 69, n. 3, p. 259-263, dec. 2025.
ISSN 2527-6085.
Available at: &lt;<a href="https://isomase.org/Journals/index.php/jomase/article/view/565" target="_new">https://isomase.org/Journals/index.php/jomase/article/view/565</a>&gt;. Date accessed: 24 june 2026.
doi: <a href="http://dx.doi.org/10.36842/jomase.v69i3.565">http://dx.doi.org/10.36842/jomase.v69i3.565</a>.