Kango, Riklan, Hadiyanto Hadiyanto, Ezra Hartarto Pongtularan, and Mohamad Ilyas Abas. “Implementation Of Solar Cell Based Smart Chair As A Green Open Space Electric Energy Source”. International Journal Papier Advance and Scientific Review 2, no. 1 (January 20, 2021): 6-13. Accessed March 29, 2024. https://igsspublication.com/index.php/ijpasr/article/view/64.