A MINI-REVIEW OF RECENT STUDIES ON LEAD AND LEAD-FREE PEROVSKITE MATERIALS FOR SOLAR CELLS APPLICATION AND THEIR ISSUES. J. Teknol. [Internet]. 2022 Sep. 25 [cited 2024 Nov. 22];84(6):135-46. Available from: https://journals.utm.my/jurnalteknologi/article/view/18208