Optical Properties Degradation of Organolead Halide Perovskite with Lead Devired from Solder Wire. Jurnal Teknik Mesin [Internet]. 2017 Apr. 30 [cited 2026 Oct. 10];7(1):50-5. Available from: https://jtm.itp.ac.id/index.php/jtm/article/view/500