Sugita IW, Iskandar I. PEMANAS AIR SURYA PORTABLE BIAYA RENDAH. J. Konv. Ener. Manuf. [Internet]. 2016 Apr. 29 [cited 2026 May 19];3(2):107-16. Available from: https://journal.unj.ac.id/unj/index.php/jkem/article/view/6401