Zulfa, Zulfa, Amrizal Amrizal, and amrul amrul. “Unjuk Kerja Kolektor Surya Pelat Datar Aliran Paralel”. MECHANICAL 8, no. 2 (April 15, 2018): 46–51. Accessed September 26, 2025. http://journal.eng.unila.ac.id/index.php/mech/article/view/653.