GuritnoD. P., Qiram ikhwanul and SartikaD. (2018) “Pengaruh Jarak Kerapatan Penghalang Spiral Terhadap Unjuk Kerja Kolektor Surya Tipe Plat Datar”, V-MAC (Virtual of Mechanical Engineering Article), 3(1), pp. 9-12. Available at: https://ejournal.unibabwi.ac.id/index.php/vmac/article/view/629 (Accessed: 25November2024).